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Finding the Third Proportional to 3,658,121.37 and 8,040,423.87

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Solution

The third proportional to 3,658,121.37 and 8,040,423.87 is: 17,672,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,121.37 : 8,040,423.87 = 8,040,423.87 : x
  2. Step 2: Convert to fraction form
    3,658,121.37/8,040,423.87 = 8,040,423.87/x
  3. Step 3: Cross multiply
    3,658,121.37x = 8,040,423.87 × 8,040,423.87
  4. Step 4: Simplify right side
    3,658,121.37x = 64,648,415,964,038.39
  5. Step 5: Solve for x
    x = 64,648,415,964,038.39/3,658,121.37
  6. Step 6: Final answer
    x = 17,672,572.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.