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Finding the Third Proportional to 204 and 270.75

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Solution

The third proportional to 204 and 270.75 is: 359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204 : 270.75 = 270.75 : x
  2. Step 2: Convert to fraction form
    204/270.75 = 270.75/x
  3. Step 3: Cross multiply
    204x = 270.75 × 270.75
  4. Step 4: Simplify right side
    204x = 73,305.56
  5. Step 5: Solve for x
    x = 73,305.56/204
  6. Step 6: Final answer
    x = 359.34

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.