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Finding the Third Proportional to 2,543 and 5,981

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Solution

The third proportional to 2,543 and 5,981 is: 14,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543 : 5,981 = 5,981 : x
  2. Step 2: Convert to fraction form
    2,543/5,981 = 5,981/x
  3. Step 3: Cross multiply
    2,543x = 5,981 × 5,981
  4. Step 4: Simplify right side
    2,543x = 35,772,361
  5. Step 5: Solve for x
    x = 35,772,361/2,543
  6. Step 6: Final answer
    x = 14,066.99

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.