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Finding the Third Proportional to 111.38 and 175

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Solution

The third proportional to 111.38 and 175 is: 274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.38 : 175 = 175 : x
  2. Step 2: Convert to fraction form
    111.38/175 = 175/x
  3. Step 3: Cross multiply
    111.38x = 175 × 175
  4. Step 4: Simplify right side
    111.38x = 30,625
  5. Step 5: Solve for x
    x = 30,625/111.38
  6. Step 6: Final answer
    x = 274.97

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.