Advertisements
Advertisements
प्रश्न
Find the third proportional to 36, 18
Advertisements
उत्तर
Let the required third proportional be x
∴ 36, 18, x are in continued proportion
⇒ 36 : 18 = 18 : x
⇒ 36x = 18 × 18
⇒ x = `(18xx18)/36`
⇒ x = 9
∴ Required proportional = 9
APPEARS IN
संबंधित प्रश्न
If x : y = 4 : 7, find the value of (3x + 2y) : (5x + y).
Find sub-duplicate ratio of 9 : 16
Two numbers are in the ratio 5 : 7 and the difference of their squares is 600. Find the numbers.
If x2, 4 and 9 are in continued proportion, find x.
A rectangular field is 100 m by 80 m. Find the ratio of length to its breadth.
The ratio between two numbers is 5 : 9. Find the numbers, if their H.C.F. is 16.
Reduce the following ratio to their lowest term:
5 kg 500 gm : 2 kg 750 gm
Write the following ratio in the simplest form:
3 weeks : 30 days
The ratio of income to savings of a family is 11 : 2. Find the expenditure if the savings is Rs 1520.
`3/8 = 15/40`
