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Finding the Third Proportional to 18,139,635 and 39,467,793

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Solution

The third proportional to 18,139,635 and 39,467,793 is: 85,873,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,635 : 39,467,793 = 39,467,793 : x
  2. Step 2: Convert to fraction form
    18,139,635/39,467,793 = 39,467,793/x
  3. Step 3: Cross multiply
    18,139,635x = 39,467,793 × 39,467,793
  4. Step 4: Simplify right side
    18,139,635x = 1,557,706,684,290,849
  5. Step 5: Solve for x
    x = 1,557,706,684,290,849/18,139,635
  6. Step 6: Final answer
    x = 85,873,099.67

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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.