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Finding the Third Proportional to 1,589 and 2,863

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Solution

The third proportional to 1,589 and 2,863 is: 5,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589 : 2,863 = 2,863 : x
  2. Step 2: Convert to fraction form
    1,589/2,863 = 2,863/x
  3. Step 3: Cross multiply
    1,589x = 2,863 × 2,863
  4. Step 4: Simplify right side
    1,589x = 8,196,769
  5. Step 5: Solve for x
    x = 8,196,769/1,589
  6. Step 6: Final answer
    x = 5,158.44

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.