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Finding the Third Proportional to 143.25 and 227

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Solution

The third proportional to 143.25 and 227 is: 359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143.25 : 227 = 227 : x
  2. Step 2: Convert to fraction form
    143.25/227 = 227/x
  3. Step 3: Cross multiply
    143.25x = 227 × 227
  4. Step 4: Simplify right side
    143.25x = 51,529
  5. Step 5: Solve for x
    x = 51,529/143.25
  6. Step 6: Final answer
    x = 359.71

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.