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Finding the Third Proportional to 1,845 and 4,054

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Solution

The third proportional to 1,845 and 4,054 is: 8,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845 : 4,054 = 4,054 : x
  2. Step 2: Convert to fraction form
    1,845/4,054 = 4,054/x
  3. Step 3: Cross multiply
    1,845x = 4,054 × 4,054
  4. Step 4: Simplify right side
    1,845x = 16,434,916
  5. Step 5: Solve for x
    x = 16,434,916/1,845
  6. Step 6: Final answer
    x = 8,907.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.