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Finding the Third Proportional to 28,898 and 62,107

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Solution

The third proportional to 28,898 and 62,107 is: 133,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898 : 62,107 = 62,107 : x
  2. Step 2: Convert to fraction form
    28,898/62,107 = 62,107/x
  3. Step 3: Cross multiply
    28,898x = 62,107 × 62,107
  4. Step 4: Simplify right side
    28,898x = 3,857,279,449
  5. Step 5: Solve for x
    x = 3,857,279,449/28,898
  6. Step 6: Final answer
    x = 133,479.11

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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.