Question

what is the ratio of the third proportional to 12 and 30​

Answer 1

Answer:

the ratio of the third proportional to 12 and 30 is 2:5

Step-by-step explanation:

Let the third proportional to 12 and 30 be x.

Then, 12 : 30 :: 30 : x <=> 12x = 30 x 30 <=> x = (30*30\12)

= 75.

Third proportional to 12 and 30 = 75.

Mean proportional between 9 and 25 = sqrt(9)*sqrt(25)

= 15.

Required ratio = 75 : 15 = 5 : 1.

Answer 2

Answer:

75

Step-by-step explanation:

The third proportional to 12 and 30 is

=so we will take that third proportional be x =

=12:30::30:x= 12/30=30/x

=30x30/12

>x=75