Home / 39,708-86,535

Finding the Third Proportional to 39,708 and 86,535

Calculator

Solution

The third proportional to 39,708 and 86,535 is: 188,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708 : 86,535 = 86,535 : x
  2. Step 2: Convert to fraction form
    39,708/86,535 = 86,535/x
  3. Step 3: Cross multiply
    39,708x = 86,535 × 86,535
  4. Step 4: Simplify right side
    39,708x = 7,488,306,225
  5. Step 5: Solve for x
    x = 7,488,306,225/39,708
  6. Step 6: Final answer
    x = 188,584.32

Related Problems

Find third proportional to 19,854 and 43,267.50
Half scale
Find third proportional to 79,416 and 173,070
Double scale
Find third proportional to 39,710 and 86,539
Similar ratio
Find third proportional to 59,562 and 129,802.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.