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Finding the Third Proportional to 2,587,420,311 and 5,628,183,425

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Solution

The third proportional to 2,587,420,311 and 5,628,183,425 is: 12,242,482,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,420,311 : 5,628,183,425 = 5,628,183,425 : x
  2. Step 2: Convert to fraction form
    2,587,420,311/5,628,183,425 = 5,628,183,425/x
  3. Step 3: Cross multiply
    2,587,420,311x = 5,628,183,425 × 5,628,183,425
  4. Step 4: Simplify right side
    2,587,420,311x = 31,676,448,665,444,728,832
  5. Step 5: Solve for x
    x = 31,676,448,665,444,728,832/2,587,420,311
  6. Step 6: Final answer
    x = 12,242,482,804.51

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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.