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Finding the Third Proportional to 269 and 337.50

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Solution

The third proportional to 269 and 337.50 is: 423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269 : 337.50 = 337.50 : x
  2. Step 2: Convert to fraction form
    269/337.50 = 337.50/x
  3. Step 3: Cross multiply
    269x = 337.50 × 337.50
  4. Step 4: Simplify right side
    269x = 113,906.25
  5. Step 5: Solve for x
    x = 113,906.25/269
  6. Step 6: Final answer
    x = 423.44

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Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.