Advertisements
Advertisements
प्रश्न
Find the third proportional to 5.25, 7
Advertisements
उत्तर
Let the required third proportional be x
∴ 5.25, 7, x are in continued proportion
⇒ 5.25 : 7 = 7 : x
⇒ 5x = 7 × 7
⇒ x = `(7xx7)/5.25`
⇒ x = `49/5.25=28/3`
⇒ x = `9 1/3`
∴ Required proportional = `9 1/3`
संबंधित प्रश्न
Find the reciprocal ratio of e following :
81pq2 : 54p2q
If (3x-4) : (2x+5) is the duplicate ratio of 3 : 4 , find x.
Two numbers are in the ratio 5: 7. Their difference is 10. Find the numbers.
If 25, 35 and x are in continued proportion, find the value of x.
In the example below, find the ratio of the first number to the second.
121, 99
The income of a man is increased in the ratio of 10 : 11. If the increase in his income is Rs 600 per month, find his new income.
From the given pairs, find which ratio is larger:
(5 : 12) or (17 : 30)
There are ‘b’ boys and ‘g’ girls in a class. The ratio of the number of boys to the total number of students in the class is ______.
The ratio of 150 cm to 1 metre is 1 : 1.5.
If (2x + 3y) : (3x + 2y) = 4 : 3; then x : y is ______.
