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Finding the Third Proportional to 3,688,775,616 and 7,904,740,704

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Solution

The third proportional to 3,688,775,616 and 7,904,740,704 is: 16,939,204,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,775,616 : 7,904,740,704 = 7,904,740,704 : x
  2. Step 2: Convert to fraction form
    3,688,775,616/7,904,740,704 = 7,904,740,704/x
  3. Step 3: Cross multiply
    3,688,775,616x = 7,904,740,704 × 7,904,740,704
  4. Step 4: Simplify right side
    3,688,775,616x = 62,484,925,597,474,414,592
  5. Step 5: Solve for x
    x = 62,484,925,597,474,414,592/3,688,775,616
  6. Step 6: Final answer
    x = 16,939,204,793.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.