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Finding the Third Proportional to 6,328 and 13,321

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Solution

The third proportional to 6,328 and 13,321 is: 28,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328 : 13,321 = 13,321 : x
  2. Step 2: Convert to fraction form
    6,328/13,321 = 13,321/x
  3. Step 3: Cross multiply
    6,328x = 13,321 × 13,321
  4. Step 4: Simplify right side
    6,328x = 177,449,041
  5. Step 5: Solve for x
    x = 177,449,041/6,328
  6. Step 6: Final answer
    x = 28,041.88

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.