Advertisements
Advertisements
प्रश्न
Find the mean proportion of the following :
0.09 and 0.25
Advertisements
उत्तर
Let x be the mean proportion
0.09 : x : : x : 0.25
⇒ x × x = 0.09 × 0.25
⇒ x2 = 0.0225
⇒ x = `sqrt 0.0225`
⇒ x = 0.15
The mean prooortion is 0.15
APPEARS IN
संबंधित प्रश्न
Using the properties of proportion, solve for x, given `(x^4 + 1)/(2x^2) = 17/8`.
If x and y be unequal and x : y is the duplicate ratio of x + z and y + z, prove that z is mean proportional between x and y.
What number must be added to each of the number 16, 26 and 40 so that the resulting numbers may be in continued proportion?
If ( a+c) : b = 5 : 1 and (bc + cd) : bd = 5 : 1, then prove that a : b = c : d
If a : b : : c : d, then prove that
2a+7b : 2a-7b = 2c+7d : 2c-7d
Find the fourth proportional to 1.5, 2.5, 4.5
If a, b, c are in continued proportion, prove that: abc(a + b + c)3 = (ab + bc + ca)3
Are the following statements true?
32 m : 64 m = 6 sec : 12 sec
If x, 2, 10 and y are in continued proportion, the values of x and y are respectively:
If 2x, 9 and 18 are in continued proportion, the value of x is ______.
