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Finding the Third Proportional to 95.25 and 138.75

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Solution

The third proportional to 95.25 and 138.75 is: 202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.25 : 138.75 = 138.75 : x
  2. Step 2: Convert to fraction form
    95.25/138.75 = 138.75/x
  3. Step 3: Cross multiply
    95.25x = 138.75 × 138.75
  4. Step 4: Simplify right side
    95.25x = 19,251.56
  5. Step 5: Solve for x
    x = 19,251.56/95.25
  6. Step 6: Final answer
    x = 202.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.