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Finding the Third Proportional to 18,236,598 and 39,499,455

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Solution

The third proportional to 18,236,598 and 39,499,455 is: 85,553,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236,598 : 39,499,455 = 39,499,455 : x
  2. Step 2: Convert to fraction form
    18,236,598/39,499,455 = 39,499,455/x
  3. Step 3: Cross multiply
    18,236,598x = 39,499,455 × 39,499,455
  4. Step 4: Simplify right side
    18,236,598x = 1,560,206,945,297,025
  5. Step 5: Solve for x
    x = 1,560,206,945,297,025/18,236,598
  6. Step 6: Final answer
    x = 85,553,618.35

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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.