Question

The ratio of third proportional to 12 and 30 and the mean proportional between 9 and 25 is?​

Answer 1

Answer:

5:1.

Step-by-step explanation:

hope it helps you mark me as brainliests and follow and like my answer.

Answer 2

Answer:

5 : 1

Step-by-step explanation:

Let the third proportional to 12 and 30 be x.

Then, 12 : 30 :: 30 : x

⇔ 12x = 30 × 30

⇔x= (30×30)/12 =75

∴ Third proportional to 12 and 30 = 75.

Mean proportional between 9 and 25 = √(9×25) = 15

∴ Required ratio = 75 : 15 = 5 : 1.

Thanks

Hope it helped

Do mark as Brainliest