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`
APPEARS IN
संबंधित प्रश्न
Find the sub-triplicate ratio of the following :
125a3 : 343b6
Show that the value of x is 11, when `("x"^3 + "3x")/(3"x"^2 + 1) = 341/91`
Express the following ratios in its simplest form :
48: 54
Find:
The sub-duplicate ratio of the sub-triplicate ratio of 4096x6: 729y12.
If (4x + 3y) : (3x + 5y) = 6 : 7, find x : y
A sum of Rs. 10, 500 is divided among A, B and C in the ratio 5 : 6 : 4. Find the share of each.
In an examination, the ratio of passes to failures was 4 : 1. If 30 less had appeared and 20 less passed, the ratio of passes to failures would have been 5 : 1. How many students appeared for the examination
From the given pairs, find which ratio is larger:
(3 : 7) or (4 : 9)
Fill in the place holder:
Ramesh earns Rs. 28000 per month. His wife Rama earns Rs. 36000 per month. Find the ratio of rama’s earnings to their total earnings.
