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Finding the Third Proportional to 6,216,923 and 13,378,630

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Solution

The third proportional to 6,216,923 and 13,378,630 is: 28,790,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216,923 : 13,378,630 = 13,378,630 : x
  2. Step 2: Convert to fraction form
    6,216,923/13,378,630 = 13,378,630/x
  3. Step 3: Cross multiply
    6,216,923x = 13,378,630 × 13,378,630
  4. Step 4: Simplify right side
    6,216,923x = 178,987,740,676,900
  5. Step 5: Solve for x
    x = 178,987,740,676,900/6,216,923
  6. Step 6: Final answer
    x = 28,790,406.55

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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.