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Finding the Third Proportional to 2,876.13 and 6,213.59

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Solution

The third proportional to 2,876.13 and 6,213.59 is: 13,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.13 : 6,213.59 = 6,213.59 : x
  2. Step 2: Convert to fraction form
    2,876.13/6,213.59 = 6,213.59/x
  3. Step 3: Cross multiply
    2,876.13x = 6,213.59 × 6,213.59
  4. Step 4: Simplify right side
    2,876.13x = 38,608,650.20
  5. Step 5: Solve for x
    x = 38,608,650.20/2,876.13
  6. Step 6: Final answer
    x = 13,423.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.