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Finding the Third Proportional to 13.55 and 29.48

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Solution

The third proportional to 13.55 and 29.48 is: 64.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.55 : 29.48 = 29.48 : x
  2. Step 2: Convert to fraction form
    13.55/29.48 = 29.48/x
  3. Step 3: Cross multiply
    13.55x = 29.48 × 29.48
  4. Step 4: Simplify right side
    13.55x = 869.33
  5. Step 5: Solve for x
    x = 869.33/13.55
  6. Step 6: Final answer
    x = 64.17

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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.