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Finding the Third Proportional to 511.88 and 1,180.69

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Solution

The third proportional to 511.88 and 1,180.69 is: 2,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.88 : 1,180.69 = 1,180.69 : x
  2. Step 2: Convert to fraction form
    511.88/1,180.69 = 1,180.69/x
  3. Step 3: Cross multiply
    511.88x = 1,180.69 × 1,180.69
  4. Step 4: Simplify right side
    511.88x = 1,394,022.97
  5. Step 5: Solve for x
    x = 1,394,022.97/511.88
  6. Step 6: Final answer
    x = 2,723.37

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.