Home / 39,710-70,528

Finding the Third Proportional to 39,710 and 70,528

Calculator

Solution

The third proportional to 39,710 and 70,528 is: 125,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,710 : 70,528 = 70,528 : x
  2. Step 2: Convert to fraction form
    39,710/70,528 = 70,528/x
  3. Step 3: Cross multiply
    39,710x = 70,528 × 70,528
  4. Step 4: Simplify right side
    39,710x = 4,974,198,784
  5. Step 5: Solve for x
    x = 4,974,198,784/39,710
  6. Step 6: Final answer
    x = 125,263.13

Related Problems

Find third proportional to 19,855 and 35,264
Half scale
Find third proportional to 79,420 and 141,056
Double scale
Find third proportional to 39,712 and 70,532
Similar ratio
Find third proportional to 59,565 and 105,792
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.