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Finding the Third Proportional to 337.92 and 449.30

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Solution

The third proportional to 337.92 and 449.30 is: 597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.92 : 449.30 = 449.30 : x
  2. Step 2: Convert to fraction form
    337.92/449.30 = 449.30/x
  3. Step 3: Cross multiply
    337.92x = 449.30 × 449.30
  4. Step 4: Simplify right side
    337.92x = 201,867.68
  5. Step 5: Solve for x
    x = 201,867.68/337.92
  6. Step 6: Final answer
    x = 597.38

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.