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Finding the Third Proportional to 6,172 and 13,331

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Solution

The third proportional to 6,172 and 13,331 is: 28,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172 : 13,331 = 13,331 : x
  2. Step 2: Convert to fraction form
    6,172/13,331 = 13,331/x
  3. Step 3: Cross multiply
    6,172x = 13,331 × 13,331
  4. Step 4: Simplify right side
    6,172x = 177,715,561
  5. Step 5: Solve for x
    x = 177,715,561/6,172
  6. Step 6: Final answer
    x = 28,793.84

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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.