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Finding the Third Proportional to 3,591,464,619 and 8,391,281,886

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Solution

The third proportional to 3,591,464,619 and 8,391,281,886 is: 19,605,820,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,464,619 : 8,391,281,886 = 8,391,281,886 : x
  2. Step 2: Convert to fraction form
    3,591,464,619/8,391,281,886 = 8,391,281,886/x
  3. Step 3: Cross multiply
    3,591,464,619x = 8,391,281,886 × 8,391,281,886
  4. Step 4: Simplify right side
    3,591,464,619x = 70,413,611,690,311,720,960
  5. Step 5: Solve for x
    x = 70,413,611,690,311,720,960/3,591,464,619
  6. Step 6: Final answer
    x = 19,605,820,789.05

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.