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Finding the Third Proportional to 3,135,809 and 6,648,420

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Solution

The third proportional to 3,135,809 and 6,648,420 is: 14,095,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,809 : 6,648,420 = 6,648,420 : x
  2. Step 2: Convert to fraction form
    3,135,809/6,648,420 = 6,648,420/x
  3. Step 3: Cross multiply
    3,135,809x = 6,648,420 × 6,648,420
  4. Step 4: Simplify right side
    3,135,809x = 44,201,488,496,400
  5. Step 5: Solve for x
    x = 44,201,488,496,400/3,135,809
  6. Step 6: Final answer
    x = 14,095,720.91

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.