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Finding the Third Proportional to 381.94 and 444.38

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Solution

The third proportional to 381.94 and 444.38 is: 517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.94 : 444.38 = 444.38 : x
  2. Step 2: Convert to fraction form
    381.94/444.38 = 444.38/x
  3. Step 3: Cross multiply
    381.94x = 444.38 × 444.38
  4. Step 4: Simplify right side
    381.94x = 197,469.14
  5. Step 5: Solve for x
    x = 197,469.14/381.94
  6. Step 6: Final answer
    x = 517.02

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.