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Finding the Third Proportional to 169.88 and 372.94

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Solution

The third proportional to 169.88 and 372.94 is: 818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.88 : 372.94 = 372.94 : x
  2. Step 2: Convert to fraction form
    169.88/372.94 = 372.94/x
  3. Step 3: Cross multiply
    169.88x = 372.94 × 372.94
  4. Step 4: Simplify right side
    169.88x = 139,082.38
  5. Step 5: Solve for x
    x = 139,082.38/169.88
  6. Step 6: Final answer
    x = 818.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.