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Finding the Third Proportional to 220.25 and 337

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Solution

The third proportional to 220.25 and 337 is: 515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.25 : 337 = 337 : x
  2. Step 2: Convert to fraction form
    220.25/337 = 337/x
  3. Step 3: Cross multiply
    220.25x = 337 × 337
  4. Step 4: Simplify right side
    220.25x = 113,569
  5. Step 5: Solve for x
    x = 113,569/220.25
  6. Step 6: Final answer
    x = 515.64

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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.