Level 630
Level 632

#### 6 words 0 ignored

Ready to learn
Ready to review

## Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

**Ignore?**

Ratio of a to b

a comparison of two numbers using divison. The ratio of a to b, where b doesnt equal 0, can be written as a to b or a:b or a/b

proportion

An equation that states that two ratios are equal.

Means

the middle two numbers in a proportion

Extremes

the first and last numbers in a proportion

Cross Products Property

in a proportion, the product of the extremes equals the product of the means

geometric mean

the square root of the product of the extremes or means