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Finding the Third Proportional to 7,218,517 and 16,050,980

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Solution

The third proportional to 7,218,517 and 16,050,980 is: 35,690,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,517 : 16,050,980 = 16,050,980 : x
  2. Step 2: Convert to fraction form
    7,218,517/16,050,980 = 16,050,980/x
  3. Step 3: Cross multiply
    7,218,517x = 16,050,980 × 16,050,980
  4. Step 4: Simplify right side
    7,218,517x = 257,633,958,960,400
  5. Step 5: Solve for x
    x = 257,633,958,960,400/7,218,517
  6. Step 6: Final answer
    x = 35,690,704.75

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.