Question

Find the mean proportional between 20 and 500​

Answer 1

hope it helps you.........

Answer 2

Answer:

Let the requird no be a and b

36 is the mean proportional between a and b

36

a

=

b

36

ab=1296, a=

b

1296

288 is the third proportion.

b

a

=

288

b

b

2

=a

b

2

=288×

b

1296

b

3

=373248

b=72

∴ a= 18

∴ Two numbers are 18 and 72.