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Finding the Third Proportional to 29.13 and 64.06

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Solution

The third proportional to 29.13 and 64.06 is: 140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.13 : 64.06 = 64.06 : x
  2. Step 2: Convert to fraction form
    29.13/64.06 = 64.06/x
  3. Step 3: Cross multiply
    29.13x = 64.06 × 64.06
  4. Step 4: Simplify right side
    29.13x = 4,104.00
  5. Step 5: Solve for x
    x = 4,104.00/29.13
  6. Step 6: Final answer
    x = 140.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.