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Finding the Third Proportional to 27.88 and 60.13

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Solution

The third proportional to 27.88 and 60.13 is: 129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.88 : 60.13 = 60.13 : x
  2. Step 2: Convert to fraction form
    27.88/60.13 = 60.13/x
  3. Step 3: Cross multiply
    27.88x = 60.13 × 60.13
  4. Step 4: Simplify right side
    27.88x = 3,615.02
  5. Step 5: Solve for x
    x = 3,615.02/27.88
  6. Step 6: Final answer
    x = 129.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.