Proportion: The Meaning of Proportion

The video tutorial explains how to write equivalent ratios by multiplying both terms of a ratio by the same number. It starts with examples of 3:4 and 6:8, showing they are equivalent. The instructor then demonstrates finding equivalent ratios for 1:2 and encourages viewers to practice with 3:5. The key takeaway is that multiplying both terms of a ratio by the same number yields an equivalent ratio.

What is the result when both terms of the ratio 3:4 are multiplied by 2?

• 5:7

• 9:12

• 8:10

• 6:8

Which of the following is an equivalent ratio to 1:2?

• 3:6

• 5:10

• 2:4

• 4:8

If you multiply both terms of the ratio 1:2 by 4, what is the resulting ratio?

• 8:16

• 5:10

• 2:6

• 4:8

What is the first equivalent ratio to 3:5 when both terms are multiplied by 2?

• 15:25

• 6:10

• 9:15

• 12:20

Which of the following is NOT an equivalent ratio to 3:5?

• 6:10

• 12:20

• 9:15

• 7:11