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Finding the Third Proportional to 3,940,561,260 and 8,567,018,208

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Solution

The third proportional to 3,940,561,260 and 8,567,018,208 is: 18,625,215,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,561,260 : 8,567,018,208 = 8,567,018,208 : x
  2. Step 2: Convert to fraction form
    3,940,561,260/8,567,018,208 = 8,567,018,208/x
  3. Step 3: Cross multiply
    3,940,561,260x = 8,567,018,208 × 8,567,018,208
  4. Step 4: Simplify right side
    3,940,561,260x = 73,393,800,976,203,530,240
  5. Step 5: Solve for x
    x = 73,393,800,976,203,530,240/3,940,561,260
  6. Step 6: Final answer
    x = 18,625,215,073.09

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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.