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Finding the Third Proportional to 3.85 and 7.96

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Solution

The third proportional to 3.85 and 7.96 is: 16.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.85 : 7.96 = 7.96 : x
  2. Step 2: Convert to fraction form
    3.85/7.96 = 7.96/x
  3. Step 3: Cross multiply
    3.85x = 7.96 × 7.96
  4. Step 4: Simplify right side
    3.85x = 63.41
  5. Step 5: Solve for x
    x = 63.41/3.85
  6. Step 6: Final answer
    x = 16.46

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.