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Finding the Third Proportional to 3,940,561,262 and 8,567,018,212

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Solution

The third proportional to 3,940,561,262 and 8,567,018,212 is: 18,625,215,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,561,262 : 8,567,018,212 = 8,567,018,212 : x
  2. Step 2: Convert to fraction form
    3,940,561,262/8,567,018,212 = 8,567,018,212/x
  3. Step 3: Cross multiply
    3,940,561,262x = 8,567,018,212 × 8,567,018,212
  4. Step 4: Simplify right side
    3,940,561,262x = 73,393,801,044,739,678,208
  5. Step 5: Solve for x
    x = 73,393,801,044,739,678,208/3,940,561,262
  6. Step 6: Final answer
    x = 18,625,215,081.03

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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.