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Finding the Third Proportional to 166 and 391.94

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Solution

The third proportional to 166 and 391.94 is: 925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166 : 391.94 = 391.94 : x
  2. Step 2: Convert to fraction form
    166/391.94 = 391.94/x
  3. Step 3: Cross multiply
    166x = 391.94 × 391.94
  4. Step 4: Simplify right side
    166x = 153,615.00
  5. Step 5: Solve for x
    x = 153,615.00/166
  6. Step 6: Final answer
    x = 925.39

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.