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Finding the Third Proportional to 8,280,842 and 18,019,682

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Solution

The third proportional to 8,280,842 and 18,019,682 is: 39,212,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,842 : 18,019,682 = 18,019,682 : x
  2. Step 2: Convert to fraction form
    8,280,842/18,019,682 = 18,019,682/x
  3. Step 3: Cross multiply
    8,280,842x = 18,019,682 × 18,019,682
  4. Step 4: Simplify right side
    8,280,842x = 324,708,939,381,124
  5. Step 5: Solve for x
    x = 324,708,939,381,124/8,280,842
  6. Step 6: Final answer
    x = 39,212,067.97

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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.