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Finding the Third Proportional to 67.25 and 155.88

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Solution

The third proportional to 67.25 and 155.88 is: 361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.25 : 155.88 = 155.88 : x
  2. Step 2: Convert to fraction form
    67.25/155.88 = 155.88/x
  3. Step 3: Cross multiply
    67.25x = 155.88 × 155.88
  4. Step 4: Simplify right side
    67.25x = 24,297.02
  5. Step 5: Solve for x
    x = 24,297.02/67.25
  6. Step 6: Final answer
    x = 361.29

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These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.