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Finding the Third Proportional to 40,610,544 and 66,665,439

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Solution

The third proportional to 40,610,544 and 66,665,439 is: 109,436,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,610,544 : 66,665,439 = 66,665,439 : x
  2. Step 2: Convert to fraction form
    40,610,544/66,665,439 = 66,665,439/x
  3. Step 3: Cross multiply
    40,610,544x = 66,665,439 × 66,665,439
  4. Step 4: Simplify right side
    40,610,544x = 4,444,280,757,062,721
  5. Step 5: Solve for x
    x = 4,444,280,757,062,721/40,610,544
  6. Step 6: Final answer
    x = 109,436,622.10

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.