Home / 131,268-278,940

Finding the Third Proportional to 131,268 and 278,940

Calculator

Solution

The third proportional to 131,268 and 278,940 is: 592,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,268 : 278,940 = 278,940 : x
  2. Step 2: Convert to fraction form
    131,268/278,940 = 278,940/x
  3. Step 3: Cross multiply
    131,268x = 278,940 × 278,940
  4. Step 4: Simplify right side
    131,268x = 77,807,523,600
  5. Step 5: Solve for x
    x = 77,807,523,600/131,268
  6. Step 6: Final answer
    x = 592,737.94

Related Problems

Find third proportional to 65,634 and 139,470
Half scale
Find third proportional to 262,536 and 557,880
Double scale
Find third proportional to 131,270 and 278,944
Similar ratio
Find third proportional to 196,902 and 418,410
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.