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Finding the Third Proportional to 8,021.25 and 17,379

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Solution

The third proportional to 8,021.25 and 17,379 is: 37,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.25 : 17,379 = 17,379 : x
  2. Step 2: Convert to fraction form
    8,021.25/17,379 = 17,379/x
  3. Step 3: Cross multiply
    8,021.25x = 17,379 × 17,379
  4. Step 4: Simplify right side
    8,021.25x = 302,029,641
  5. Step 5: Solve for x
    x = 302,029,641/8,021.25
  6. Step 6: Final answer
    x = 37,653.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.