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Finding the Third Proportional to 60.82 and 87.17

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Solution

The third proportional to 60.82 and 87.17 is: 124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.82 : 87.17 = 87.17 : x
  2. Step 2: Convert to fraction form
    60.82/87.17 = 87.17/x
  3. Step 3: Cross multiply
    60.82x = 87.17 × 87.17
  4. Step 4: Simplify right side
    60.82x = 7,599.19
  5. Step 5: Solve for x
    x = 7,599.19/60.82
  6. Step 6: Final answer
    x = 124.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.