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Finding the Third Proportional to 6,384 and 13,317

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Solution

The third proportional to 6,384 and 13,317 is: 27,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384 : 13,317 = 13,317 : x
  2. Step 2: Convert to fraction form
    6,384/13,317 = 13,317/x
  3. Step 3: Cross multiply
    6,384x = 13,317 × 13,317
  4. Step 4: Simplify right side
    6,384x = 177,342,489
  5. Step 5: Solve for x
    x = 177,342,489/6,384
  6. Step 6: Final answer
    x = 27,779.21

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.