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Finding the Third Proportional to 45,687 and 99,651

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Solution

The third proportional to 45,687 and 99,651 is: 217,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,687 : 99,651 = 99,651 : x
  2. Step 2: Convert to fraction form
    45,687/99,651 = 99,651/x
  3. Step 3: Cross multiply
    45,687x = 99,651 × 99,651
  4. Step 4: Simplify right side
    45,687x = 9,930,321,801
  5. Step 5: Solve for x
    x = 9,930,321,801/45,687
  6. Step 6: Final answer
    x = 217,355.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.