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Finding the Third Proportional to 119.38 and 175.88

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Solution

The third proportional to 119.38 and 175.88 is: 259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.38 : 175.88 = 175.88 : x
  2. Step 2: Convert to fraction form
    119.38/175.88 = 175.88/x
  3. Step 3: Cross multiply
    119.38x = 175.88 × 175.88
  4. Step 4: Simplify right side
    119.38x = 30,932.02
  5. Step 5: Solve for x
    x = 30,932.02/119.38
  6. Step 6: Final answer
    x = 259.12

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.