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Finding the Third Proportional to 2,876.13 and 6,290.75

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Solution

The third proportional to 2,876.13 and 6,290.75 is: 13,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.13 : 6,290.75 = 6,290.75 : x
  2. Step 2: Convert to fraction form
    2,876.13/6,290.75 = 6,290.75/x
  3. Step 3: Cross multiply
    2,876.13x = 6,290.75 × 6,290.75
  4. Step 4: Simplify right side
    2,876.13x = 39,573,535.56
  5. Step 5: Solve for x
    x = 39,573,535.56/2,876.13
  6. Step 6: Final answer
    x = 13,759.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.