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Finding the Third Proportional to 3,939,541 and 8,467,590

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Solution

The third proportional to 3,939,541 and 8,467,590 is: 18,200,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,541 : 8,467,590 = 8,467,590 : x
  2. Step 2: Convert to fraction form
    3,939,541/8,467,590 = 8,467,590/x
  3. Step 3: Cross multiply
    3,939,541x = 8,467,590 × 8,467,590
  4. Step 4: Simplify right side
    3,939,541x = 71,700,080,408,100
  5. Step 5: Solve for x
    x = 71,700,080,408,100/3,939,541
  6. Step 6: Final answer
    x = 18,200,110.22

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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.