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Finding the Third Proportional to 3,994,433,562 and 8,684,119,636

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Solution

The third proportional to 3,994,433,562 and 8,684,119,636 is: 18,879,756,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,433,562 : 8,684,119,636 = 8,684,119,636 : x
  2. Step 2: Convert to fraction form
    3,994,433,562/8,684,119,636 = 8,684,119,636/x
  3. Step 3: Cross multiply
    3,994,433,562x = 8,684,119,636 × 8,684,119,636
  4. Step 4: Simplify right side
    3,994,433,562x = 75,413,933,852,360,769,536
  5. Step 5: Solve for x
    x = 75,413,933,852,360,769,536/3,994,433,562
  6. Step 6: Final answer
    x = 18,879,756,711.89

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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.