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Finding the Third Proportional to 3,959,217 and 6,120,771

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Solution

The third proportional to 3,959,217 and 6,120,771 is: 9,462,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,217 : 6,120,771 = 6,120,771 : x
  2. Step 2: Convert to fraction form
    3,959,217/6,120,771 = 6,120,771/x
  3. Step 3: Cross multiply
    3,959,217x = 6,120,771 × 6,120,771
  4. Step 4: Simplify right side
    3,959,217x = 37,463,837,634,441
  5. Step 5: Solve for x
    x = 37,463,837,634,441/3,959,217
  6. Step 6: Final answer
    x = 9,462,436.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.