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Finding the Third Proportional to 502 and 1,058.75

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Solution

The third proportional to 502 and 1,058.75 is: 2,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    502 : 1,058.75 = 1,058.75 : x
  2. Step 2: Convert to fraction form
    502/1,058.75 = 1,058.75/x
  3. Step 3: Cross multiply
    502x = 1,058.75 × 1,058.75
  4. Step 4: Simplify right side
    502x = 1,120,951.56
  5. Step 5: Solve for x
    x = 1,120,951.56/502
  6. Step 6: Final answer
    x = 2,232.97

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.