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Finding the Third Proportional to 1,812 and 2,325

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Solution

The third proportional to 1,812 and 2,325 is: 2,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812 : 2,325 = 2,325 : x
  2. Step 2: Convert to fraction form
    1,812/2,325 = 2,325/x
  3. Step 3: Cross multiply
    1,812x = 2,325 × 2,325
  4. Step 4: Simplify right side
    1,812x = 5,405,625
  5. Step 5: Solve for x
    x = 5,405,625/1,812
  6. Step 6: Final answer
    x = 2,983.24

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.