Home / 135,162-278,892

Finding the Third Proportional to 135,162 and 278,892

Calculator

Solution

The third proportional to 135,162 and 278,892 is: 575,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,162 : 278,892 = 278,892 : x
  2. Step 2: Convert to fraction form
    135,162/278,892 = 278,892/x
  3. Step 3: Cross multiply
    135,162x = 278,892 × 278,892
  4. Step 4: Simplify right side
    135,162x = 77,780,747,664
  5. Step 5: Solve for x
    x = 77,780,747,664/135,162
  6. Step 6: Final answer
    x = 575,463.13

Related Problems

Find third proportional to 67,581 and 139,446
Half scale
Find third proportional to 270,324 and 557,784
Double scale
Find third proportional to 135,164 and 278,896
Similar ratio
Find third proportional to 202,743 and 418,338
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.