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Finding the Third Proportional to 1,212,608,775 and 2,631,035,331

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Solution

The third proportional to 1,212,608,775 and 2,631,035,331 is: 5,708,639,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,608,775 : 2,631,035,331 = 2,631,035,331 : x
  2. Step 2: Convert to fraction form
    1,212,608,775/2,631,035,331 = 2,631,035,331/x
  3. Step 3: Cross multiply
    1,212,608,775x = 2,631,035,331 × 2,631,035,331
  4. Step 4: Simplify right side
    1,212,608,775x = 6,922,346,912,970,279,936
  5. Step 5: Solve for x
    x = 6,922,346,912,970,279,936/1,212,608,775
  6. Step 6: Final answer
    x = 5,708,639,963.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.