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Finding the Third Proportional to 125.94 and 168.38

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Solution

The third proportional to 125.94 and 168.38 is: 225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.94 : 168.38 = 168.38 : x
  2. Step 2: Convert to fraction form
    125.94/168.38 = 168.38/x
  3. Step 3: Cross multiply
    125.94x = 168.38 × 168.38
  4. Step 4: Simplify right side
    125.94x = 28,350.14
  5. Step 5: Solve for x
    x = 28,350.14/125.94
  6. Step 6: Final answer
    x = 225.11

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.