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Finding the Third Proportional to 227.25 and 494.75

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Solution

The third proportional to 227.25 and 494.75 is: 1,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.25 : 494.75 = 494.75 : x
  2. Step 2: Convert to fraction form
    227.25/494.75 = 494.75/x
  3. Step 3: Cross multiply
    227.25x = 494.75 × 494.75
  4. Step 4: Simplify right side
    227.25x = 244,777.56
  5. Step 5: Solve for x
    x = 244,777.56/227.25
  6. Step 6: Final answer
    x = 1,077.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.