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Finding the Third Proportional to 29,908 and 62,915

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Solution

The third proportional to 29,908 and 62,915 is: 132,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,908 : 62,915 = 62,915 : x
  2. Step 2: Convert to fraction form
    29,908/62,915 = 62,915/x
  3. Step 3: Cross multiply
    29,908x = 62,915 × 62,915
  4. Step 4: Simplify right side
    29,908x = 3,958,297,225
  5. Step 5: Solve for x
    x = 3,958,297,225/29,908
  6. Step 6: Final answer
    x = 132,349.11

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.