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Finding the Third Proportional to 220.88 and 337.25

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Solution

The third proportional to 220.88 and 337.25 is: 514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.88 : 337.25 = 337.25 : x
  2. Step 2: Convert to fraction form
    220.88/337.25 = 337.25/x
  3. Step 3: Cross multiply
    220.88x = 337.25 × 337.25
  4. Step 4: Simplify right side
    220.88x = 113,737.56
  5. Step 5: Solve for x
    x = 113,737.56/220.88
  6. Step 6: Final answer
    x = 514.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.