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Finding the Third Proportional to 61.75 and 96.38

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Solution

The third proportional to 61.75 and 96.38 is: 150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.75 : 96.38 = 96.38 : x
  2. Step 2: Convert to fraction form
    61.75/96.38 = 96.38/x
  3. Step 3: Cross multiply
    61.75x = 96.38 × 96.38
  4. Step 4: Simplify right side
    61.75x = 9,288.14
  5. Step 5: Solve for x
    x = 9,288.14/61.75
  6. Step 6: Final answer
    x = 150.42

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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.