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Finding the Third Proportional to 101.25 and 153.38

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Solution

The third proportional to 101.25 and 153.38 is: 232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.25 : 153.38 = 153.38 : x
  2. Step 2: Convert to fraction form
    101.25/153.38 = 153.38/x
  3. Step 3: Cross multiply
    101.25x = 153.38 × 153.38
  4. Step 4: Simplify right side
    101.25x = 23,523.89
  5. Step 5: Solve for x
    x = 23,523.89/101.25
  6. Step 6: Final answer
    x = 232.33

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.