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Finding the Third Proportional to 1,325 and 2,873

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Solution

The third proportional to 1,325 and 2,873 is: 6,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325 : 2,873 = 2,873 : x
  2. Step 2: Convert to fraction form
    1,325/2,873 = 2,873/x
  3. Step 3: Cross multiply
    1,325x = 2,873 × 2,873
  4. Step 4: Simplify right side
    1,325x = 8,254,129
  5. Step 5: Solve for x
    x = 8,254,129/1,325
  6. Step 6: Final answer
    x = 6,229.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.