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Finding the Third Proportional to 337.25 and 493.75

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Solution

The third proportional to 337.25 and 493.75 is: 722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.25 : 493.75 = 493.75 : x
  2. Step 2: Convert to fraction form
    337.25/493.75 = 493.75/x
  3. Step 3: Cross multiply
    337.25x = 493.75 × 493.75
  4. Step 4: Simplify right side
    337.25x = 243,789.06
  5. Step 5: Solve for x
    x = 243,789.06/337.25
  6. Step 6: Final answer
    x = 722.87

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.