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Finding the Third Proportional to 327.94 and 372.38

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Solution

The third proportional to 327.94 and 372.38 is: 422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.94 : 372.38 = 372.38 : x
  2. Step 2: Convert to fraction form
    327.94/372.38 = 372.38/x
  3. Step 3: Cross multiply
    327.94x = 372.38 × 372.38
  4. Step 4: Simplify right side
    327.94x = 138,663.14
  5. Step 5: Solve for x
    x = 138,663.14/327.94
  6. Step 6: Final answer
    x = 422.83

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.