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Finding the Third Proportional to 20.82 and 44.79

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Solution

The third proportional to 20.82 and 44.79 is: 96.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20.82 : 44.79 = 44.79 : x
  2. Step 2: Convert to fraction form
    20.82/44.79 = 44.79/x
  3. Step 3: Cross multiply
    20.82x = 44.79 × 44.79
  4. Step 4: Simplify right side
    20.82x = 2,006.26
  5. Step 5: Solve for x
    x = 2,006.26/20.82
  6. Step 6: Final answer
    x = 96.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.