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Finding the Third Proportional to 29,680 and 62,672

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Solution

The third proportional to 29,680 and 62,672 is: 132,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680 : 62,672 = 62,672 : x
  2. Step 2: Convert to fraction form
    29,680/62,672 = 62,672/x
  3. Step 3: Cross multiply
    29,680x = 62,672 × 62,672
  4. Step 4: Simplify right side
    29,680x = 3,927,779,584
  5. Step 5: Solve for x
    x = 3,927,779,584/29,680
  6. Step 6: Final answer
    x = 132,337.59

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.