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Finding the Third Proportional to 36,690,379 and 79,125,916

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Solution

The third proportional to 36,690,379 and 79,125,916 is: 170,641,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690,379 : 79,125,916 = 79,125,916 : x
  2. Step 2: Convert to fraction form
    36,690,379/79,125,916 = 79,125,916/x
  3. Step 3: Cross multiply
    36,690,379x = 79,125,916 × 79,125,916
  4. Step 4: Simplify right side
    36,690,379x = 6,260,910,582,839,056
  5. Step 5: Solve for x
    x = 6,260,910,582,839,056/36,690,379
  6. Step 6: Final answer
    x = 170,641,752.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.