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Finding the Third Proportional to 175.13 and 223.31

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Solution

The third proportional to 175.13 and 223.31 is: 284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.13 : 223.31 = 223.31 : x
  2. Step 2: Convert to fraction form
    175.13/223.31 = 223.31/x
  3. Step 3: Cross multiply
    175.13x = 223.31 × 223.31
  4. Step 4: Simplify right side
    175.13x = 49,868.47
  5. Step 5: Solve for x
    x = 49,868.47/175.13
  6. Step 6: Final answer
    x = 284.76

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.