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Finding the Third Proportional to 674 and 888.50

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Solution

The third proportional to 674 and 888.50 is: 1,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    674 : 888.50 = 888.50 : x
  2. Step 2: Convert to fraction form
    674/888.50 = 888.50/x
  3. Step 3: Cross multiply
    674x = 888.50 × 888.50
  4. Step 4: Simplify right side
    674x = 789,432.25
  5. Step 5: Solve for x
    x = 789,432.25/674
  6. Step 6: Final answer
    x = 1,171.26

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.