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Finding the Third Proportional to 2,647,149.19 and 5,612,149.13

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Solution

The third proportional to 2,647,149.19 and 5,612,149.13 is: 11,898,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,149.19 : 5,612,149.13 = 5,612,149.13 : x
  2. Step 2: Convert to fraction form
    2,647,149.19/5,612,149.13 = 5,612,149.13/x
  3. Step 3: Cross multiply
    2,647,149.19x = 5,612,149.13 × 5,612,149.13
  4. Step 4: Simplify right side
    2,647,149.19x = 31,496,217,801,238.27
  5. Step 5: Solve for x
    x = 31,496,217,801,238.27/2,647,149.19
  6. Step 6: Final answer
    x = 11,898,165.00

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.