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Finding the Third Proportional to 13.27 and 28.92

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Solution

The third proportional to 13.27 and 28.92 is: 63.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.27 : 28.92 = 28.92 : x
  2. Step 2: Convert to fraction form
    13.27/28.92 = 28.92/x
  3. Step 3: Cross multiply
    13.27x = 28.92 × 28.92
  4. Step 4: Simplify right side
    13.27x = 836.47
  5. Step 5: Solve for x
    x = 836.47/13.27
  6. Step 6: Final answer
    x = 63.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.