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Finding the Third Proportional to 2,189.25 and 3,010.44

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Solution

The third proportional to 2,189.25 and 3,010.44 is: 4,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.25 : 3,010.44 = 3,010.44 : x
  2. Step 2: Convert to fraction form
    2,189.25/3,010.44 = 3,010.44/x
  3. Step 3: Cross multiply
    2,189.25x = 3,010.44 × 3,010.44
  4. Step 4: Simplify right side
    2,189.25x = 9,062,733.94
  5. Step 5: Solve for x
    x = 9,062,733.94/2,189.25
  6. Step 6: Final answer
    x = 4,139.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.