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Finding the Third Proportional to 63.84 and 95.91

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Solution

The third proportional to 63.84 and 95.91 is: 144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.84 : 95.91 = 95.91 : x
  2. Step 2: Convert to fraction form
    63.84/95.91 = 95.91/x
  3. Step 3: Cross multiply
    63.84x = 95.91 × 95.91
  4. Step 4: Simplify right side
    63.84x = 9,198.01
  5. Step 5: Solve for x
    x = 9,198.01/63.84
  6. Step 6: Final answer
    x = 144.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.