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Finding the Third Proportional to 52,892,639 and 80,138,897

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Solution

The third proportional to 52,892,639 and 80,138,897 is: 121,420,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,892,639 : 80,138,897 = 80,138,897 : x
  2. Step 2: Convert to fraction form
    52,892,639/80,138,897 = 80,138,897/x
  3. Step 3: Cross multiply
    52,892,639x = 80,138,897 × 80,138,897
  4. Step 4: Simplify right side
    52,892,639x = 6,422,242,812,376,609
  5. Step 5: Solve for x
    x = 6,422,242,812,376,609/52,892,639
  6. Step 6: Final answer
    x = 121,420,351.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.