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Finding the Third Proportional to 3,221,611 and 6,947,356

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Solution

The third proportional to 3,221,611 and 6,947,356 is: 14,981,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,611 : 6,947,356 = 6,947,356 : x
  2. Step 2: Convert to fraction form
    3,221,611/6,947,356 = 6,947,356/x
  3. Step 3: Cross multiply
    3,221,611x = 6,947,356 × 6,947,356
  4. Step 4: Simplify right side
    3,221,611x = 48,265,755,390,736
  5. Step 5: Solve for x
    x = 48,265,755,390,736/3,221,611
  6. Step 6: Final answer
    x = 14,981,869.44

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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.