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Finding the Third Proportional to 18,267,649 and 39,751,131

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Solution

The third proportional to 18,267,649 and 39,751,131 is: 86,500,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,649 : 39,751,131 = 39,751,131 : x
  2. Step 2: Convert to fraction form
    18,267,649/39,751,131 = 39,751,131/x
  3. Step 3: Cross multiply
    18,267,649x = 39,751,131 × 39,751,131
  4. Step 4: Simplify right side
    18,267,649x = 1,580,152,415,779,161
  5. Step 5: Solve for x
    x = 1,580,152,415,779,161/18,267,649
  6. Step 6: Final answer
    x = 86,500,042.55

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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.