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Finding the Third Proportional to 1,879 and 4,543

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Solution

The third proportional to 1,879 and 4,543 is: 10,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879 : 4,543 = 4,543 : x
  2. Step 2: Convert to fraction form
    1,879/4,543 = 4,543/x
  3. Step 3: Cross multiply
    1,879x = 4,543 × 4,543
  4. Step 4: Simplify right side
    1,879x = 20,638,849
  5. Step 5: Solve for x
    x = 20,638,849/1,879
  6. Step 6: Final answer
    x = 10,983.95

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.