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Finding the Third Proportional to 3,067 and 4,290

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Solution

The third proportional to 3,067 and 4,290 is: 6,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067 : 4,290 = 4,290 : x
  2. Step 2: Convert to fraction form
    3,067/4,290 = 4,290/x
  3. Step 3: Cross multiply
    3,067x = 4,290 × 4,290
  4. Step 4: Simplify right side
    3,067x = 18,404,100
  5. Step 5: Solve for x
    x = 18,404,100/3,067
  6. Step 6: Final answer
    x = 6,000.68

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.