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Finding the Third Proportional to 83.25 and 118.13

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Solution

The third proportional to 83.25 and 118.13 is: 167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.25 : 118.13 = 118.13 : x
  2. Step 2: Convert to fraction form
    83.25/118.13 = 118.13/x
  3. Step 3: Cross multiply
    83.25x = 118.13 × 118.13
  4. Step 4: Simplify right side
    83.25x = 13,953.52
  5. Step 5: Solve for x
    x = 13,953.52/83.25
  6. Step 6: Final answer
    x = 167.61

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.