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Finding the Third Proportional to 4,145,773.64 and 8,970,610.78

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Solution

The third proportional to 4,145,773.64 and 8,970,610.78 is: 19,410,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145,773.64 : 8,970,610.78 = 8,970,610.78 : x
  2. Step 2: Convert to fraction form
    4,145,773.64/8,970,610.78 = 8,970,610.78/x
  3. Step 3: Cross multiply
    4,145,773.64x = 8,970,610.78 × 8,970,610.78
  4. Step 4: Simplify right side
    4,145,773.64x = 80,471,857,788,678.73
  5. Step 5: Solve for x
    x = 80,471,857,788,678.73/4,145,773.64
  6. Step 6: Final answer
    x = 19,410,576.83

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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.