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Finding the Third Proportional to 225.91 and 352.16

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Solution

The third proportional to 225.91 and 352.16 is: 548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.91 : 352.16 = 352.16 : x
  2. Step 2: Convert to fraction form
    225.91/352.16 = 352.16/x
  3. Step 3: Cross multiply
    225.91x = 352.16 × 352.16
  4. Step 4: Simplify right side
    225.91x = 124,016.78
  5. Step 5: Solve for x
    x = 124,016.78/225.91
  6. Step 6: Final answer
    x = 548.96

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.