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Finding the Third Proportional to 911.50 and 1,367.25

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Solution

The third proportional to 911.50 and 1,367.25 is: 2,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    911.50 : 1,367.25 = 1,367.25 : x
  2. Step 2: Convert to fraction form
    911.50/1,367.25 = 1,367.25/x
  3. Step 3: Cross multiply
    911.50x = 1,367.25 × 1,367.25
  4. Step 4: Simplify right side
    911.50x = 1,869,372.56
  5. Step 5: Solve for x
    x = 1,869,372.56/911.50
  6. Step 6: Final answer
    x = 2,050.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.