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Finding the Third Proportional to 7,220,192 and 15,857,379

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Solution

The third proportional to 7,220,192 and 15,857,379 is: 34,826,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,192 : 15,857,379 = 15,857,379 : x
  2. Step 2: Convert to fraction form
    7,220,192/15,857,379 = 15,857,379/x
  3. Step 3: Cross multiply
    7,220,192x = 15,857,379 × 15,857,379
  4. Step 4: Simplify right side
    7,220,192x = 251,456,468,749,641
  5. Step 5: Solve for x
    x = 251,456,468,749,641/7,220,192
  6. Step 6: Final answer
    x = 34,826,839.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.