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Finding the Third Proportional to 38,524,128 and 80,236,902

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Solution

The third proportional to 38,524,128 and 80,236,902 is: 167,115,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,524,128 : 80,236,902 = 80,236,902 : x
  2. Step 2: Convert to fraction form
    38,524,128/80,236,902 = 80,236,902/x
  3. Step 3: Cross multiply
    38,524,128x = 80,236,902 × 80,236,902
  4. Step 4: Simplify right side
    38,524,128x = 6,437,960,442,557,604
  5. Step 5: Solve for x
    x = 6,437,960,442,557,604/38,524,128
  6. Step 6: Final answer
    x = 167,115,020.55

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.