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Finding the Third Proportional to 3,881,130,510 and 8,442,275,212.50

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Solution

The third proportional to 3,881,130,510 and 8,442,275,212.50 is: 18,363,724,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,130,510 : 8,442,275,212.50 = 8,442,275,212.50 : x
  2. Step 2: Convert to fraction form
    3,881,130,510/8,442,275,212.50 = 8,442,275,212.50/x
  3. Step 3: Cross multiply
    3,881,130,510x = 8,442,275,212.50 × 8,442,275,212.50
  4. Step 4: Simplify right side
    3,881,130,510x = 71,272,010,763,591,917,568
  5. Step 5: Solve for x
    x = 71,272,010,763,591,917,568/3,881,130,510
  6. Step 6: Final answer
    x = 18,363,724,327.22

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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.