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Finding the Third Proportional to 3,845,041,986 and 7,893,921,120

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Solution

The third proportional to 3,845,041,986 and 7,893,921,120 is: 16,206,322,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,041,986 : 7,893,921,120 = 7,893,921,120 : x
  2. Step 2: Convert to fraction form
    3,845,041,986/7,893,921,120 = 7,893,921,120/x
  3. Step 3: Cross multiply
    3,845,041,986x = 7,893,921,120 × 7,893,921,120
  4. Step 4: Simplify right side
    3,845,041,986x = 62,313,990,648,782,053,376
  5. Step 5: Solve for x
    x = 62,313,990,648,782,053,376/3,845,041,986
  6. Step 6: Final answer
    x = 16,206,322,551.40

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.