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Finding the Third Proportional to 1,930,860 and 4,165,218

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Solution

The third proportional to 1,930,860 and 4,165,218 is: 8,985,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,860 : 4,165,218 = 4,165,218 : x
  2. Step 2: Convert to fraction form
    1,930,860/4,165,218 = 4,165,218/x
  3. Step 3: Cross multiply
    1,930,860x = 4,165,218 × 4,165,218
  4. Step 4: Simplify right side
    1,930,860x = 17,349,040,987,524
  5. Step 5: Solve for x
    x = 17,349,040,987,524/1,930,860
  6. Step 6: Final answer
    x = 8,985,136.67

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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.