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Finding the Third Proportional to 511.50 and 744

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Solution

The third proportional to 511.50 and 744 is: 1,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.50 : 744 = 744 : x
  2. Step 2: Convert to fraction form
    511.50/744 = 744/x
  3. Step 3: Cross multiply
    511.50x = 744 × 744
  4. Step 4: Simplify right side
    511.50x = 553,536
  5. Step 5: Solve for x
    x = 553,536/511.50
  6. Step 6: Final answer
    x = 1,082.18

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.