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Finding the Third Proportional to 41,209,568 and 81,381,956

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Solution

The third proportional to 41,209,568 and 81,381,956 is: 160,715,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,209,568 : 81,381,956 = 81,381,956 : x
  2. Step 2: Convert to fraction form
    41,209,568/81,381,956 = 81,381,956/x
  3. Step 3: Cross multiply
    41,209,568x = 81,381,956 × 81,381,956
  4. Step 4: Simplify right side
    41,209,568x = 6,623,022,762,385,936
  5. Step 5: Solve for x
    x = 6,623,022,762,385,936/41,209,568
  6. Step 6: Final answer
    x = 160,715,656.19

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.