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Finding the Third Proportional to 3,619.13 and 5,504.63

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Solution

The third proportional to 3,619.13 and 5,504.63 is: 8,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.13 : 5,504.63 = 5,504.63 : x
  2. Step 2: Convert to fraction form
    3,619.13/5,504.63 = 5,504.63/x
  3. Step 3: Cross multiply
    3,619.13x = 5,504.63 × 5,504.63
  4. Step 4: Simplify right side
    3,619.13x = 30,300,896.39
  5. Step 5: Solve for x
    x = 30,300,896.39/3,619.13
  6. Step 6: Final answer
    x = 8,372.44

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.