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Finding the Third Proportional to 119.38 and 179.38

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Solution

The third proportional to 119.38 and 179.38 is: 269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.38 : 179.38 = 179.38 : x
  2. Step 2: Convert to fraction form
    119.38/179.38 = 179.38/x
  3. Step 3: Cross multiply
    119.38x = 179.38 × 179.38
  4. Step 4: Simplify right side
    119.38x = 32,175.39
  5. Step 5: Solve for x
    x = 32,175.39/119.38
  6. Step 6: Final answer
    x = 269.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.