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Finding the Third Proportional to 18,236,589 and 39,499,446

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Solution

The third proportional to 18,236,589 and 39,499,446 is: 85,553,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236,589 : 39,499,446 = 39,499,446 : x
  2. Step 2: Convert to fraction form
    18,236,589/39,499,446 = 39,499,446/x
  3. Step 3: Cross multiply
    18,236,589x = 39,499,446 × 39,499,446
  4. Step 4: Simplify right side
    18,236,589x = 1,560,206,234,306,916
  5. Step 5: Solve for x
    x = 1,560,206,234,306,916/18,236,589
  6. Step 6: Final answer
    x = 85,553,621.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.