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Finding the Third Proportional to 12.92 and 17.37

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Solution

The third proportional to 12.92 and 17.37 is: 23.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.92 : 17.37 = 17.37 : x
  2. Step 2: Convert to fraction form
    12.92/17.37 = 17.37/x
  3. Step 3: Cross multiply
    12.92x = 17.37 × 17.37
  4. Step 4: Simplify right side
    12.92x = 301.70
  5. Step 5: Solve for x
    x = 301.70/12.92
  6. Step 6: Final answer
    x = 23.36

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.