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Finding the Third Proportional to 3,894,481.69 and 8,474,724.56

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Solution

The third proportional to 3,894,481.69 and 8,474,724.56 is: 18,441,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,481.69 : 8,474,724.56 = 8,474,724.56 : x
  2. Step 2: Convert to fraction form
    3,894,481.69/8,474,724.56 = 8,474,724.56/x
  3. Step 3: Cross multiply
    3,894,481.69x = 8,474,724.56 × 8,474,724.56
  4. Step 4: Simplify right side
    3,894,481.69x = 71,820,956,410,240.81
  5. Step 5: Solve for x
    x = 71,820,956,410,240.81/3,894,481.69
  6. Step 6: Final answer
    x = 18,441,724.00

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.