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Finding the Third Proportional to 69.25 and 124

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Solution

The third proportional to 69.25 and 124 is: 222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.25 : 124 = 124 : x
  2. Step 2: Convert to fraction form
    69.25/124 = 124/x
  3. Step 3: Cross multiply
    69.25x = 124 × 124
  4. Step 4: Simplify right side
    69.25x = 15,376
  5. Step 5: Solve for x
    x = 15,376/69.25
  6. Step 6: Final answer
    x = 222.04

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These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.