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Finding the Third Proportional to 101.50 and 160.75

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Solution

The third proportional to 101.50 and 160.75 is: 254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.50 : 160.75 = 160.75 : x
  2. Step 2: Convert to fraction form
    101.50/160.75 = 160.75/x
  3. Step 3: Cross multiply
    101.50x = 160.75 × 160.75
  4. Step 4: Simplify right side
    101.50x = 25,840.56
  5. Step 5: Solve for x
    x = 25,840.56/101.50
  6. Step 6: Final answer
    x = 254.59

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.