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Finding the Third Proportional to 16.29 and 41.92

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Solution

The third proportional to 16.29 and 41.92 is: 107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.29 : 41.92 = 41.92 : x
  2. Step 2: Convert to fraction form
    16.29/41.92 = 41.92/x
  3. Step 3: Cross multiply
    16.29x = 41.92 × 41.92
  4. Step 4: Simplify right side
    16.29x = 1,757.61
  5. Step 5: Solve for x
    x = 1,757.61/16.29
  6. Step 6: Final answer
    x = 107.86

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Why These Related Problems?

These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.