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Finding the Third Proportional to 32.75 and 69.25

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Solution

The third proportional to 32.75 and 69.25 is: 146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.75 : 69.25 = 69.25 : x
  2. Step 2: Convert to fraction form
    32.75/69.25 = 69.25/x
  3. Step 3: Cross multiply
    32.75x = 69.25 × 69.25
  4. Step 4: Simplify right side
    32.75x = 4,795.56
  5. Step 5: Solve for x
    x = 4,795.56/32.75
  6. Step 6: Final answer
    x = 146.43

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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.