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Finding the Third Proportional to 1,770,288,487 and 3,860,957,889

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Solution

The third proportional to 1,770,288,487 and 3,860,957,889 is: 8,420,659,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,288,487 : 3,860,957,889 = 3,860,957,889 : x
  2. Step 2: Convert to fraction form
    1,770,288,487/3,860,957,889 = 3,860,957,889/x
  3. Step 3: Cross multiply
    1,770,288,487x = 3,860,957,889 × 3,860,957,889
  4. Step 4: Simplify right side
    1,770,288,487x = 14,906,995,820,631,336,960
  5. Step 5: Solve for x
    x = 14,906,995,820,631,336,960/1,770,288,487
  6. Step 6: Final answer
    x = 8,420,659,079.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.