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Finding the Third Proportional to 226 and 355.25

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Solution

The third proportional to 226 and 355.25 is: 558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226 : 355.25 = 355.25 : x
  2. Step 2: Convert to fraction form
    226/355.25 = 355.25/x
  3. Step 3: Cross multiply
    226x = 355.25 × 355.25
  4. Step 4: Simplify right side
    226x = 126,202.56
  5. Step 5: Solve for x
    x = 126,202.56/226
  6. Step 6: Final answer
    x = 558.42

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.