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Finding the Third Proportional to 4,279,689 and 6,648,063

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Solution

The third proportional to 4,279,689 and 6,648,063 is: 10,327,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,689 : 6,648,063 = 6,648,063 : x
  2. Step 2: Convert to fraction form
    4,279,689/6,648,063 = 6,648,063/x
  3. Step 3: Cross multiply
    4,279,689x = 6,648,063 × 6,648,063
  4. Step 4: Simplify right side
    4,279,689x = 44,196,741,651,969
  5. Step 5: Solve for x
    x = 44,196,741,651,969/4,279,689
  6. Step 6: Final answer
    x = 10,327,091.91

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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.