Question

find the third proportion to:
a)9 and 4
b)2 and 8
c)25 and 4
d)9 and 16
with explanation ​

Answer 1

Answer:

here

1st term is 9

2nd term is 4

3rd term is x

so we use proportion formula as

1st :2nd :: 2nd :3rd

a :b::b:c

9 : 4 :: 4 : x

x = 4×4/9

× = 16/9

× = 1 7/9

b)

a : b::b:c

2 : 8 :: 8 :x

x= 8×8/2

x= 64/2

x= 32