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Finding the Third Proportional to 80,135,616 and 119,731,689

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Solution

The third proportional to 80,135,616 and 119,731,689 is: 178,892,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,135,616 : 119,731,689 = 119,731,689 : x
  2. Step 2: Convert to fraction form
    80,135,616/119,731,689 = 119,731,689/x
  3. Step 3: Cross multiply
    80,135,616x = 119,731,689 × 119,731,689
  4. Step 4: Simplify right side
    80,135,616x = 14,335,677,350,792,720
  5. Step 5: Solve for x
    x = 14,335,677,350,792,720/80,135,616
  6. Step 6: Final answer
    x = 178,892,707.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.