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Finding the Third Proportional to 1,618.31 and 3,467.44

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Solution

The third proportional to 1,618.31 and 3,467.44 is: 7,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.31 : 3,467.44 = 3,467.44 : x
  2. Step 2: Convert to fraction form
    1,618.31/3,467.44 = 3,467.44/x
  3. Step 3: Cross multiply
    1,618.31x = 3,467.44 × 3,467.44
  4. Step 4: Simplify right side
    1,618.31x = 12,023,122.82
  5. Step 5: Solve for x
    x = 12,023,122.82/1,618.31
  6. Step 6: Final answer
    x = 7,429.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.