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Finding the Third Proportional to 3,994,433,558 and 8,684,119,628

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Solution

The third proportional to 3,994,433,558 and 8,684,119,628 is: 18,879,756,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,433,558 : 8,684,119,628 = 8,684,119,628 : x
  2. Step 2: Convert to fraction form
    3,994,433,558/8,684,119,628 = 8,684,119,628/x
  3. Step 3: Cross multiply
    3,994,433,558x = 8,684,119,628 × 8,684,119,628
  4. Step 4: Simplify right side
    3,994,433,558x = 75,413,933,713,414,864,896
  5. Step 5: Solve for x
    x = 75,413,933,713,414,864,896/3,994,433,558
  6. Step 6: Final answer
    x = 18,879,756,696.01

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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.