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Finding the Third Proportional to 27 and 59.91

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Solution

The third proportional to 27 and 59.91 is: 132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27 : 59.91 = 59.91 : x
  2. Step 2: Convert to fraction form
    27/59.91 = 59.91/x
  3. Step 3: Cross multiply
    27x = 59.91 × 59.91
  4. Step 4: Simplify right side
    27x = 3,588.76
  5. Step 5: Solve for x
    x = 3,588.76/27
  6. Step 6: Final answer
    x = 132.92

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.