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Finding the Third Proportional to 4,040,123.48 and 8,721,220.22

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Solution

The third proportional to 4,040,123.48 and 8,721,220.22 is: 18,826,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040,123.48 : 8,721,220.22 = 8,721,220.22 : x
  2. Step 2: Convert to fraction form
    4,040,123.48/8,721,220.22 = 8,721,220.22/x
  3. Step 3: Cross multiply
    4,040,123.48x = 8,721,220.22 × 8,721,220.22
  4. Step 4: Simplify right side
    4,040,123.48x = 76,059,682,103,933.80
  5. Step 5: Solve for x
    x = 76,059,682,103,933.80/4,040,123.48
  6. Step 6: Final answer
    x = 18,826,078.56

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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.