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Finding the Third Proportional to 3,840 and 5,794

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Solution

The third proportional to 3,840 and 5,794 is: 8,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840 : 5,794 = 5,794 : x
  2. Step 2: Convert to fraction form
    3,840/5,794 = 5,794/x
  3. Step 3: Cross multiply
    3,840x = 5,794 × 5,794
  4. Step 4: Simplify right side
    3,840x = 33,570,436
  5. Step 5: Solve for x
    x = 33,570,436/3,840
  6. Step 6: Final answer
    x = 8,742.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.