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Finding the Third Proportional to 3,221,615 and 6,947,362

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Solution

The third proportional to 3,221,615 and 6,947,362 is: 14,981,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,615 : 6,947,362 = 6,947,362 : x
  2. Step 2: Convert to fraction form
    3,221,615/6,947,362 = 6,947,362/x
  3. Step 3: Cross multiply
    3,221,615x = 6,947,362 × 6,947,362
  4. Step 4: Simplify right side
    3,221,615x = 48,265,838,759,044
  5. Step 5: Solve for x
    x = 48,265,838,759,044/3,221,615
  6. Step 6: Final answer
    x = 14,981,876.72

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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.