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Finding the Third Proportional to 979,542,006 and 2,131,263,876

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Solution

The third proportional to 979,542,006 and 2,131,263,876 is: 4,637,152,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,542,006 : 2,131,263,876 = 2,131,263,876 : x
  2. Step 2: Convert to fraction form
    979,542,006/2,131,263,876 = 2,131,263,876/x
  3. Step 3: Cross multiply
    979,542,006x = 2,131,263,876 × 2,131,263,876
  4. Step 4: Simplify right side
    979,542,006x = 4,542,285,709,142,543,360
  5. Step 5: Solve for x
    x = 4,542,285,709,142,543,360/979,542,006
  6. Step 6: Final answer
    x = 4,637,152,548.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.