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Finding the Third Proportional to 206 and 234.75

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Solution

The third proportional to 206 and 234.75 is: 267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206 : 234.75 = 234.75 : x
  2. Step 2: Convert to fraction form
    206/234.75 = 234.75/x
  3. Step 3: Cross multiply
    206x = 234.75 × 234.75
  4. Step 4: Simplify right side
    206x = 55,107.56
  5. Step 5: Solve for x
    x = 55,107.56/206
  6. Step 6: Final answer
    x = 267.51

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.