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Finding the Third Proportional to 3,985,222.78 and 8,254,003.78

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Solution

The third proportional to 3,985,222.78 and 8,254,003.78 is: 17,095,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,222.78 : 8,254,003.78 = 8,254,003.78 : x
  2. Step 2: Convert to fraction form
    3,985,222.78/8,254,003.78 = 8,254,003.78/x
  3. Step 3: Cross multiply
    3,985,222.78x = 8,254,003.78 × 8,254,003.78
  4. Step 4: Simplify right side
    3,985,222.78x = 68,128,578,420,889.30
  5. Step 5: Solve for x
    x = 68,128,578,420,889.30/3,985,222.78
  6. Step 6: Final answer
    x = 17,095,299.85

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.