Home / 39,931-62,639

Finding the Third Proportional to 39,931 and 62,639

Calculator

Solution

The third proportional to 39,931 and 62,639 is: 98,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931 : 62,639 = 62,639 : x
  2. Step 2: Convert to fraction form
    39,931/62,639 = 62,639/x
  3. Step 3: Cross multiply
    39,931x = 62,639 × 62,639
  4. Step 4: Simplify right side
    39,931x = 3,923,644,321
  5. Step 5: Solve for x
    x = 3,923,644,321/39,931
  6. Step 6: Final answer
    x = 98,260.61

Related Problems

Find third proportional to 19,965.50 and 31,319.50
Half scale
Find third proportional to 79,862 and 125,278
Double scale
Find third proportional to 39,933 and 62,642
Similar ratio
Find third proportional to 59,896.50 and 93,958.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.