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Finding the Third Proportional to 3,647,921.06 and 7,981,466.63

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Solution

The third proportional to 3,647,921.06 and 7,981,466.63 is: 17,463,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647,921.06 : 7,981,466.63 = 7,981,466.63 : x
  2. Step 2: Convert to fraction form
    3,647,921.06/7,981,466.63 = 7,981,466.63/x
  3. Step 3: Cross multiply
    3,647,921.06x = 7,981,466.63 × 7,981,466.63
  4. Step 4: Simplify right side
    3,647,921.06x = 63,703,809,485,988.89
  5. Step 5: Solve for x
    x = 63,703,809,485,988.89/3,647,921.06
  6. Step 6: Final answer
    x = 17,463,044.95

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.