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Finding the Third Proportional to 166 and 314.75

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Solution

The third proportional to 166 and 314.75 is: 596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166 : 314.75 = 314.75 : x
  2. Step 2: Convert to fraction form
    166/314.75 = 314.75/x
  3. Step 3: Cross multiply
    166x = 314.75 × 314.75
  4. Step 4: Simplify right side
    166x = 99,067.56
  5. Step 5: Solve for x
    x = 99,067.56/166
  6. Step 6: Final answer
    x = 596.79

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.