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Finding the Third Proportional to 1,999 and 2,554

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Solution

The third proportional to 1,999 and 2,554 is: 3,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999 : 2,554 = 2,554 : x
  2. Step 2: Convert to fraction form
    1,999/2,554 = 2,554/x
  3. Step 3: Cross multiply
    1,999x = 2,554 × 2,554
  4. Step 4: Simplify right side
    1,999x = 6,522,916
  5. Step 5: Solve for x
    x = 6,522,916/1,999
  6. Step 6: Final answer
    x = 3,263.09

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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.