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Finding the Third Proportional to 18,512,024 and 39,868,834

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Solution

The third proportional to 18,512,024 and 39,868,834 is: 85,864,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512,024 : 39,868,834 = 39,868,834 : x
  2. Step 2: Convert to fraction form
    18,512,024/39,868,834 = 39,868,834/x
  3. Step 3: Cross multiply
    18,512,024x = 39,868,834 × 39,868,834
  4. Step 4: Simplify right side
    18,512,024x = 1,589,523,924,519,556
  5. Step 5: Solve for x
    x = 1,589,523,924,519,556/18,512,024
  6. Step 6: Final answer
    x = 85,864,404.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.