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Finding the Third Proportional to 3,465,749.81 and 7,728,389.44

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Solution

The third proportional to 3,465,749.81 and 7,728,389.44 is: 17,233,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465,749.81 : 7,728,389.44 = 7,728,389.44 : x
  2. Step 2: Convert to fraction form
    3,465,749.81/7,728,389.44 = 7,728,389.44/x
  3. Step 3: Cross multiply
    3,465,749.81x = 7,728,389.44 × 7,728,389.44
  4. Step 4: Simplify right side
    3,465,749.81x = 59,728,003,297,661.56
  5. Step 5: Solve for x
    x = 59,728,003,297,661.56/3,465,749.81
  6. Step 6: Final answer
    x = 17,233,789.66

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.