Advertisements
Advertisements
प्रश्न
Find the mean proportion of the following :
24 and 6
Advertisements
उत्तर
Let x be the mean proportion
24 : x : : x : 6
⇒ x × x = 24 × 6
⇒ x2 = 144
⇒ x = `sqrt 144`
⇒ x = 12
The mean proportion is 12.
APPEARS IN
संबंधित प्रश्न
Find the value of the unknown in the following proportion :
3 : 4 : : p : 12
Find the third proportion to the following :
`9/25` and `18/25`
Find the value of x in the following proportions : 10 : 35 = x : 42
What number must be added to each of the numbers 16, 26 and 40 so that the resulting numbers may be in continued proportion?
Find the value of x in each of the following proportions:
55 : 11 : : x : 6
If the cost of a dozen soaps is Rs 285.60, what will be the cost of 15 such soaps?
If a, b, c, d are in proportion, then
What number must be added to each of the numbers 15, 17, 34 and 38 to make them proportional?
Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
25 cm : 1 m and ₹ 40 : ₹ 160
If x, y and z are in continued proportion, Prove that:
`x/(y^2.z^2) + y/(z^2.x^2) + z/(x^2.y^2) = 1/x^3 + 1/y^3 + 1/z^3`
