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Finding the Third Proportional to 2,019,163.78 and 4,322,148.19

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Solution

The third proportional to 2,019,163.78 and 4,322,148.19 is: 9,251,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,163.78 : 4,322,148.19 = 4,322,148.19 : x
  2. Step 2: Convert to fraction form
    2,019,163.78/4,322,148.19 = 4,322,148.19/x
  3. Step 3: Cross multiply
    2,019,163.78x = 4,322,148.19 × 4,322,148.19
  4. Step 4: Simplify right side
    2,019,163.78x = 18,680,964,954,709.54
  5. Step 5: Solve for x
    x = 18,680,964,954,709.54/2,019,163.78
  6. Step 6: Final answer
    x = 9,251,832.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.