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Finding the Third Proportional to 80,719,140 and 125,331,894

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Solution

The third proportional to 80,719,140 and 125,331,894 is: 194,601,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,719,140 : 125,331,894 = 125,331,894 : x
  2. Step 2: Convert to fraction form
    80,719,140/125,331,894 = 125,331,894/x
  3. Step 3: Cross multiply
    80,719,140x = 125,331,894 × 125,331,894
  4. Step 4: Simplify right side
    80,719,140x = 15,708,083,653,627,236
  5. Step 5: Solve for x
    x = 15,708,083,653,627,236/80,719,140
  6. Step 6: Final answer
    x = 194,601,722.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.