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Finding the Third Proportional to 18,682,877 and 40,436,307

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Solution

The third proportional to 18,682,877 and 40,436,307 is: 87,518,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,877 : 40,436,307 = 40,436,307 : x
  2. Step 2: Convert to fraction form
    18,682,877/40,436,307 = 40,436,307/x
  3. Step 3: Cross multiply
    18,682,877x = 40,436,307 × 40,436,307
  4. Step 4: Simplify right side
    18,682,877x = 1,635,094,923,798,249
  5. Step 5: Solve for x
    x = 1,635,094,923,798,249/18,682,877
  6. Step 6: Final answer
    x = 87,518,369.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.