Home / 88,359-189,902

Finding the Third Proportional to 88,359 and 189,902

Calculator

Solution

The third proportional to 88,359 and 189,902 is: 408,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,359 : 189,902 = 189,902 : x
  2. Step 2: Convert to fraction form
    88,359/189,902 = 189,902/x
  3. Step 3: Cross multiply
    88,359x = 189,902 × 189,902
  4. Step 4: Simplify right side
    88,359x = 36,062,769,604
  5. Step 5: Solve for x
    x = 36,062,769,604/88,359
  6. Step 6: Final answer
    x = 408,139.18

Related Problems

Find third proportional to 44,179.50 and 94,951
Half scale
Find third proportional to 176,718 and 379,804
Double scale
Find third proportional to 88,361 and 189,906
Similar ratio
Find third proportional to 132,538.50 and 284,853
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.