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Finding the Third Proportional to 61,612 and 132,424

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Solution

The third proportional to 61,612 and 132,424 is: 284,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,612 : 132,424 = 132,424 : x
  2. Step 2: Convert to fraction form
    61,612/132,424 = 132,424/x
  3. Step 3: Cross multiply
    61,612x = 132,424 × 132,424
  4. Step 4: Simplify right side
    61,612x = 17,536,115,776
  5. Step 5: Solve for x
    x = 17,536,115,776/61,612
  6. Step 6: Final answer
    x = 284,621.76

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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.