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Finding the Third Proportional to 18,888,568,200 and 28,228,747,212

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Solution

The third proportional to 18,888,568,200 and 28,228,747,212 is: 42,187,536,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,568,200 : 28,228,747,212 = 28,228,747,212 : x
  2. Step 2: Convert to fraction form
    18,888,568,200/28,228,747,212 = 28,228,747,212/x
  3. Step 3: Cross multiply
    18,888,568,200x = 28,228,747,212 × 28,228,747,212
  4. Step 4: Simplify right side
    18,888,568,200x = 796,862,169,158,997,770,240
  5. Step 5: Solve for x
    x = 796,862,169,158,997,770,240/18,888,568,200
  6. Step 6: Final answer
    x = 42,187,536,965.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.