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Finding the Third Proportional to 8,211,647 and 19,384,364

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Solution

The third proportional to 8,211,647 and 19,384,364 is: 45,758,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,647 : 19,384,364 = 19,384,364 : x
  2. Step 2: Convert to fraction form
    8,211,647/19,384,364 = 19,384,364/x
  3. Step 3: Cross multiply
    8,211,647x = 19,384,364 × 19,384,364
  4. Step 4: Simplify right side
    8,211,647x = 375,753,567,684,496
  5. Step 5: Solve for x
    x = 375,753,567,684,496/8,211,647
  6. Step 6: Final answer
    x = 45,758,611.85

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.