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Finding the Third Proportional to 118.97 and 141.19

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Solution

The third proportional to 118.97 and 141.19 is: 167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.97 : 141.19 = 141.19 : x
  2. Step 2: Convert to fraction form
    118.97/141.19 = 141.19/x
  3. Step 3: Cross multiply
    118.97x = 141.19 × 141.19
  4. Step 4: Simplify right side
    118.97x = 19,933.91
  5. Step 5: Solve for x
    x = 19,933.91/118.97
  6. Step 6: Final answer
    x = 167.56

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.