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Finding the Third Proportional to 3,296,990 and 7,029,472

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Solution

The third proportional to 3,296,990 and 7,029,472 is: 14,987,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296,990 : 7,029,472 = 7,029,472 : x
  2. Step 2: Convert to fraction form
    3,296,990/7,029,472 = 7,029,472/x
  3. Step 3: Cross multiply
    3,296,990x = 7,029,472 × 7,029,472
  4. Step 4: Simplify right side
    3,296,990x = 49,413,476,598,784
  5. Step 5: Solve for x
    x = 49,413,476,598,784/3,296,990
  6. Step 6: Final answer
    x = 14,987,451.16

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.