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Finding the Third Proportional to 26.92 and 39.13

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Solution

The third proportional to 26.92 and 39.13 is: 56.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.92 : 39.13 = 39.13 : x
  2. Step 2: Convert to fraction form
    26.92/39.13 = 39.13/x
  3. Step 3: Cross multiply
    26.92x = 39.13 × 39.13
  4. Step 4: Simplify right side
    26.92x = 1,530.77
  5. Step 5: Solve for x
    x = 1,530.77/26.92
  6. Step 6: Final answer
    x = 56.86

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.