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Finding the Third Proportional to 101.75 and 158.88

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Solution

The third proportional to 101.75 and 158.88 is: 248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.75 : 158.88 = 158.88 : x
  2. Step 2: Convert to fraction form
    101.75/158.88 = 158.88/x
  3. Step 3: Cross multiply
    101.75x = 158.88 × 158.88
  4. Step 4: Simplify right side
    101.75x = 25,241.27
  5. Step 5: Solve for x
    x = 25,241.27/101.75
  6. Step 6: Final answer
    x = 248.07

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.