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Finding the Third Proportional to 3,067.50 and 6,621

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Solution

The third proportional to 3,067.50 and 6,621 is: 14,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.50 : 6,621 = 6,621 : x
  2. Step 2: Convert to fraction form
    3,067.50/6,621 = 6,621/x
  3. Step 3: Cross multiply
    3,067.50x = 6,621 × 6,621
  4. Step 4: Simplify right side
    3,067.50x = 43,837,641
  5. Step 5: Solve for x
    x = 43,837,641/3,067.50
  6. Step 6: Final answer
    x = 14,291.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.