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Finding the Third Proportional to 5,422,448,988 and 8,379,066,384

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Solution

The third proportional to 5,422,448,988 and 8,379,066,384 is: 12,947,794,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,448,988 : 8,379,066,384 = 8,379,066,384 : x
  2. Step 2: Convert to fraction form
    5,422,448,988/8,379,066,384 = 8,379,066,384/x
  3. Step 3: Cross multiply
    5,422,448,988x = 8,379,066,384 × 8,379,066,384
  4. Step 4: Simplify right side
    5,422,448,988x = 70,208,753,467,478,835,200
  5. Step 5: Solve for x
    x = 70,208,753,467,478,835,200/5,422,448,988
  6. Step 6: Final answer
    x = 12,947,794,183.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.