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Finding the Third Proportional to 3,922,147.43 and 8,474,516.08

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Solution

The third proportional to 3,922,147.43 and 8,474,516.08 is: 18,310,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922,147.43 : 8,474,516.08 = 8,474,516.08 : x
  2. Step 2: Convert to fraction form
    3,922,147.43/8,474,516.08 = 8,474,516.08/x
  3. Step 3: Cross multiply
    3,922,147.43x = 8,474,516.08 × 8,474,516.08
  4. Step 4: Simplify right side
    3,922,147.43x = 71,817,422,741,850.09
  5. Step 5: Solve for x
    x = 71,817,422,741,850.09/3,922,147.43
  6. Step 6: Final answer
    x = 18,310,740.22

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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.