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Finding the Third Proportional to 41,209,560 and 81,381,942

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Solution

The third proportional to 41,209,560 and 81,381,942 is: 160,715,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,209,560 : 81,381,942 = 81,381,942 : x
  2. Step 2: Convert to fraction form
    41,209,560/81,381,942 = 81,381,942/x
  3. Step 3: Cross multiply
    41,209,560x = 81,381,942 × 81,381,942
  4. Step 4: Simplify right side
    41,209,560x = 6,623,020,483,691,364
  5. Step 5: Solve for x
    x = 6,623,020,483,691,364/41,209,560
  6. Step 6: Final answer
    x = 160,715,632.09

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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.