Home / 62,559-139,107

Finding the Third Proportional to 62,559 and 139,107

Calculator

Solution

The third proportional to 62,559 and 139,107 is: 309,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,559 : 139,107 = 139,107 : x
  2. Step 2: Convert to fraction form
    62,559/139,107 = 139,107/x
  3. Step 3: Cross multiply
    62,559x = 139,107 × 139,107
  4. Step 4: Simplify right side
    62,559x = 19,350,757,449
  5. Step 5: Solve for x
    x = 19,350,757,449/62,559
  6. Step 6: Final answer
    x = 309,320.12

Related Problems

Find third proportional to 31,279.50 and 69,553.50
Half scale
Find third proportional to 125,118 and 278,214
Double scale
Find third proportional to 62,561 and 139,111
Similar ratio
Find third proportional to 93,838.50 and 208,660.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.