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Finding the Third Proportional to 29,916 and 62,929

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Solution

The third proportional to 29,916 and 62,929 is: 132,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,916 : 62,929 = 62,929 : x
  2. Step 2: Convert to fraction form
    29,916/62,929 = 62,929/x
  3. Step 3: Cross multiply
    29,916x = 62,929 × 62,929
  4. Step 4: Simplify right side
    29,916x = 3,960,059,041
  5. Step 5: Solve for x
    x = 3,960,059,041/29,916
  6. Step 6: Final answer
    x = 132,372.61

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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.