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Finding the Third Proportional to 81.38 and 96

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Solution

The third proportional to 81.38 and 96 is: 113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81.38 : 96 = 96 : x
  2. Step 2: Convert to fraction form
    81.38/96 = 96/x
  3. Step 3: Cross multiply
    81.38x = 96 × 96
  4. Step 4: Simplify right side
    81.38x = 9,216
  5. Step 5: Solve for x
    x = 9,216/81.38
  6. Step 6: Final answer
    x = 113.25

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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.