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Finding the Third Proportional to 252.88 and 580.75

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Solution

The third proportional to 252.88 and 580.75 is: 1,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.88 : 580.75 = 580.75 : x
  2. Step 2: Convert to fraction form
    252.88/580.75 = 580.75/x
  3. Step 3: Cross multiply
    252.88x = 580.75 × 580.75
  4. Step 4: Simplify right side
    252.88x = 337,270.56
  5. Step 5: Solve for x
    x = 337,270.56/252.88
  6. Step 6: Final answer
    x = 1,333.74

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.