https://virtualnerd.com/geometry/similarity/ratios-proportions/means-extremes-definition

Note: A proportion is just an equation where two ratios are equal, and each piece of the proportion has a special name. This tutorial will teach you those names, ...

https://www.wyzant.com/resources/lessons/math/algebra/proportions

The four parts of the proportion are separated into two groups, the means and the extremes, based on their arrangement in the proportion. Reading from ...

https://www.wyzant.com/resources/blogs/14833/means_and_extremes

Jan 26, 2011 ... Explaining how to solve a proportion by cross-multiplying is pretty ... of the means and the product of the extremes are equal is a bit trickier, but ...

http://www.math.com/school/subject1/lessons/S1U2L2DP.html

A proportion is simply a statement that two ratios are equal. ... the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle ...

https://www.youtube.com/watch?v=DcdeafsWlLw

Nov 1, 2009 ... Click here for the full version: http://vn2.me/epb A proportion is just an equation where two ratios are equal, and each piece of the proportion ...

https://www.thatquiz.org/tq/previewtest?N/X/Z/V/92511444169819

is equal to the product of the extremes. *means are the middle numbers * extremes are the outside numbers. Solve Proportions Using Means & Extremes. 3:5 = 6: ...

https://www.math-only-math.com/properties-of-proportion.html

We will learn about the properties of proportion. We know that a proportion is an expression which states that the two ratios are in equal. In general, four ...

https://mathbitsnotebook.com/Geometry/Similarity/SMRatio.html

Ratios and Proportions ... Proportions always have an equal sign! A proportion ... In each proportion, the first and last terms (6 and 3) are called the extremes.

https://www.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-write-and-solve-proportions/v/find-an-unknown-in-a-proportion

Learn the reasoning behind solving proportions. We'll put some algebra to work to get our answers, too.

https://www.themathpage.com/areal/ratio-proportion.htm

The theorem of extremes and means. The language of ratio. A PROPORTION IS A STATEMENT that two ratios are the same. 5 is to 15 as 8 is to 24. 5 is the third ...