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Finding the Third Proportional to 185.50 and 269

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Solution

The third proportional to 185.50 and 269 is: 390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.50 : 269 = 269 : x
  2. Step 2: Convert to fraction form
    185.50/269 = 269/x
  3. Step 3: Cross multiply
    185.50x = 269 × 269
  4. Step 4: Simplify right side
    185.50x = 72,361
  5. Step 5: Solve for x
    x = 72,361/185.50
  6. Step 6: Final answer
    x = 390.09

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.