Johnathan Trappe : Pioneer of Cluster Ballooning

Proportions

Review

Means-Extremes Property of Proportion

In a proportion, the product of the extremes is equal to the product of the means

Today's objectives

Students will be able to model proportions in real life

Students will be able to solve proportions by using cross products

Example1

b. 2/3=4/y

a.x/10=3/5

Example2