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Finding the Third Proportional to 3,959.44 and 8,603.44

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Solution

The third proportional to 3,959.44 and 8,603.44 is: 18,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.44 : 8,603.44 = 8,603.44 : x
  2. Step 2: Convert to fraction form
    3,959.44/8,603.44 = 8,603.44/x
  3. Step 3: Cross multiply
    3,959.44x = 8,603.44 × 8,603.44
  4. Step 4: Simplify right side
    3,959.44x = 74,019,136.82
  5. Step 5: Solve for x
    x = 74,019,136.82/3,959.44
  6. Step 6: Final answer
    x = 18,694.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.