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Finding the Third Proportional to 18,139,635 and 39,467,794

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Solution

The third proportional to 18,139,635 and 39,467,794 is: 85,873,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,635 : 39,467,794 = 39,467,794 : x
  2. Step 2: Convert to fraction form
    18,139,635/39,467,794 = 39,467,794/x
  3. Step 3: Cross multiply
    18,139,635x = 39,467,794 × 39,467,794
  4. Step 4: Simplify right side
    18,139,635x = 1,557,706,763,226,436
  5. Step 5: Solve for x
    x = 1,557,706,763,226,436/18,139,635
  6. Step 6: Final answer
    x = 85,873,104.02

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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.