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Finding the Third Proportional to 175.88 and 387.75

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Solution

The third proportional to 175.88 and 387.75 is: 854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.88 : 387.75 = 387.75 : x
  2. Step 2: Convert to fraction form
    175.88/387.75 = 387.75/x
  3. Step 3: Cross multiply
    175.88x = 387.75 × 387.75
  4. Step 4: Simplify right side
    175.88x = 150,350.06
  5. Step 5: Solve for x
    x = 150,350.06/175.88
  6. Step 6: Final answer
    x = 854.87

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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.