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Finding the Third Proportional to 3,951,565,641 and 8,591,852,574

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Solution

The third proportional to 3,951,565,641 and 8,591,852,574 is: 18,681,185,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951,565,641 : 8,591,852,574 = 8,591,852,574 : x
  2. Step 2: Convert to fraction form
    3,951,565,641/8,591,852,574 = 8,591,852,574/x
  3. Step 3: Cross multiply
    3,951,565,641x = 8,591,852,574 × 8,591,852,574
  4. Step 4: Simplify right side
    3,951,565,641x = 73,819,930,653,350,428,672
  5. Step 5: Solve for x
    x = 73,819,930,653,350,428,672/3,951,565,641
  6. Step 6: Final answer
    x = 18,681,185,474.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.