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Finding the Third Proportional to 185.75 and 223.75

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Solution

The third proportional to 185.75 and 223.75 is: 269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.75 : 223.75 = 223.75 : x
  2. Step 2: Convert to fraction form
    185.75/223.75 = 223.75/x
  3. Step 3: Cross multiply
    185.75x = 223.75 × 223.75
  4. Step 4: Simplify right side
    185.75x = 50,064.06
  5. Step 5: Solve for x
    x = 50,064.06/185.75
  6. Step 6: Final answer
    x = 269.52

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.