Write out the following proportions in words. a. 7 : 28 = 2 : 8 b. 3⁄1 = 18⁄6 c. 9 : 72 = 2 : 16 d. 81⁄9 = 45⁄5

Part (a):

The proportions ⇒⇒⇒ 7 : 28 = 2 : 8
It can be written in words as following:

7 is to 28 as 2 is to 8


Part (b):

The proportions ⇒⇒⇒ 3/1 = 18/6
It can be written in words as following:

3 is to 1 as 18 is to 6  OR   3 over 1 as 18 over 6


Part (c):

The proportions ⇒⇒⇒ 9 : 72 = 2 : 16
It can be written in words as following:

9 is to 72 as 2 is to 16


Part (d):

The proportions ⇒⇒⇒ 81/9 = 45/5
It can be written in words as following:

81 is to 9 as 45 is to 5  OR   81 over 9 as 45 over 5