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Finding the Third Proportional to 213.97 and 327.44

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Solution

The third proportional to 213.97 and 327.44 is: 501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213.97 : 327.44 = 327.44 : x
  2. Step 2: Convert to fraction form
    213.97/327.44 = 327.44/x
  3. Step 3: Cross multiply
    213.97x = 327.44 × 327.44
  4. Step 4: Simplify right side
    213.97x = 107,217.55
  5. Step 5: Solve for x
    x = 107,217.55/213.97
  6. Step 6: Final answer
    x = 501.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.