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Finding the Third Proportional to 125.72 and 337.92

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Solution

The third proportional to 125.72 and 337.92 is: 908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.72 : 337.92 = 337.92 : x
  2. Step 2: Convert to fraction form
    125.72/337.92 = 337.92/x
  3. Step 3: Cross multiply
    125.72x = 337.92 × 337.92
  4. Step 4: Simplify right side
    125.72x = 114,191.19
  5. Step 5: Solve for x
    x = 114,191.19/125.72
  6. Step 6: Final answer
    x = 908.31

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.