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Finding the Third Proportional to 1,770,288,489 and 3,860,957,893

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Solution

The third proportional to 1,770,288,489 and 3,860,957,893 is: 8,420,659,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,288,489 : 3,860,957,893 = 3,860,957,893 : x
  2. Step 2: Convert to fraction form
    1,770,288,489/3,860,957,893 = 3,860,957,893/x
  3. Step 3: Cross multiply
    1,770,288,489x = 3,860,957,893 × 3,860,957,893
  4. Step 4: Simplify right side
    1,770,288,489x = 14,906,995,851,518,998,528
  5. Step 5: Solve for x
    x = 14,906,995,851,518,998,528/1,770,288,489
  6. Step 6: Final answer
    x = 8,420,659,087.01

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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.