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Finding the Third Proportional to 28,436,491 and 61,253,218

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Solution

The third proportional to 28,436,491 and 61,253,218 is: 131,941,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436,491 : 61,253,218 = 61,253,218 : x
  2. Step 2: Convert to fraction form
    28,436,491/61,253,218 = 61,253,218/x
  3. Step 3: Cross multiply
    28,436,491x = 61,253,218 × 61,253,218
  4. Step 4: Simplify right side
    28,436,491x = 3,751,956,715,355,524
  5. Step 5: Solve for x
    x = 3,751,956,715,355,524/28,436,491
  6. Step 6: Final answer
    x = 131,941,620.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.