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Finding the Third Proportional to 6,724 and 16,170

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Solution

The third proportional to 6,724 and 16,170 is: 38,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724 : 16,170 = 16,170 : x
  2. Step 2: Convert to fraction form
    6,724/16,170 = 16,170/x
  3. Step 3: Cross multiply
    6,724x = 16,170 × 16,170
  4. Step 4: Simplify right side
    6,724x = 261,468,900
  5. Step 5: Solve for x
    x = 261,468,900/6,724
  6. Step 6: Final answer
    x = 38,885.92

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.