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Finding the Third Proportional to 2,877.19 and 6,826.78

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Solution

The third proportional to 2,877.19 and 6,826.78 is: 16,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.19 : 6,826.78 = 6,826.78 : x
  2. Step 2: Convert to fraction form
    2,877.19/6,826.78 = 6,826.78/x
  3. Step 3: Cross multiply
    2,877.19x = 6,826.78 × 6,826.78
  4. Step 4: Simplify right side
    2,877.19x = 46,604,942.24
  5. Step 5: Solve for x
    x = 46,604,942.24/2,877.19
  6. Step 6: Final answer
    x = 16,198.09

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.