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Finding the Third Proportional to 8,639,022 and 18,560,204

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Solution

The third proportional to 8,639,022 and 18,560,204 is: 39,875,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,022 : 18,560,204 = 18,560,204 : x
  2. Step 2: Convert to fraction form
    8,639,022/18,560,204 = 18,560,204/x
  3. Step 3: Cross multiply
    8,639,022x = 18,560,204 × 18,560,204
  4. Step 4: Simplify right side
    8,639,022x = 344,481,172,521,616
  5. Step 5: Solve for x
    x = 344,481,172,521,616/8,639,022
  6. Step 6: Final answer
    x = 39,875,019.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.