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Finding the Third Proportional to 3,211,976 and 6,953,199.50

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Solution

The third proportional to 3,211,976 and 6,953,199.50 is: 15,052,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,976 : 6,953,199.50 = 6,953,199.50 : x
  2. Step 2: Convert to fraction form
    3,211,976/6,953,199.50 = 6,953,199.50/x
  3. Step 3: Cross multiply
    3,211,976x = 6,953,199.50 × 6,953,199.50
  4. Step 4: Simplify right side
    3,211,976x = 48,346,983,286,800.25
  5. Step 5: Solve for x
    x = 48,346,983,286,800.25/3,211,976
  6. Step 6: Final answer
    x = 15,052,099.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.