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Finding the Third Proportional to 3,561,324.47 and 5,517,914.91

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Solution

The third proportional to 3,561,324.47 and 5,517,914.91 is: 8,549,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,324.47 : 5,517,914.91 = 5,517,914.91 : x
  2. Step 2: Convert to fraction form
    3,561,324.47/5,517,914.91 = 5,517,914.91/x
  3. Step 3: Cross multiply
    3,561,324.47x = 5,517,914.91 × 5,517,914.91
  4. Step 4: Simplify right side
    3,561,324.47x = 30,447,384,912,615.95
  5. Step 5: Solve for x
    x = 30,447,384,912,615.95/3,561,324.47
  6. Step 6: Final answer
    x = 8,549,455.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.