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Finding the Third Proportional to 1,651 and 3,589

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Solution

The third proportional to 1,651 and 3,589 is: 7,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651 : 3,589 = 3,589 : x
  2. Step 2: Convert to fraction form
    1,651/3,589 = 3,589/x
  3. Step 3: Cross multiply
    1,651x = 3,589 × 3,589
  4. Step 4: Simplify right side
    1,651x = 12,880,921
  5. Step 5: Solve for x
    x = 12,880,921/1,651
  6. Step 6: Final answer
    x = 7,801.89

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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.