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Finding the Third Proportional to 1,849 and 4,109

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Solution

The third proportional to 1,849 and 4,109 is: 9,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849 : 4,109 = 4,109 : x
  2. Step 2: Convert to fraction form
    1,849/4,109 = 4,109/x
  3. Step 3: Cross multiply
    1,849x = 4,109 × 4,109
  4. Step 4: Simplify right side
    1,849x = 16,883,881
  5. Step 5: Solve for x
    x = 16,883,881/1,849
  6. Step 6: Final answer
    x = 9,131.36

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.