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Finding the Third Proportional to 9,230 and 13,188

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Solution

The third proportional to 9,230 and 13,188 is: 18,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230 : 13,188 = 13,188 : x
  2. Step 2: Convert to fraction form
    9,230/13,188 = 13,188/x
  3. Step 3: Cross multiply
    9,230x = 13,188 × 13,188
  4. Step 4: Simplify right side
    9,230x = 173,923,344
  5. Step 5: Solve for x
    x = 173,923,344/9,230
  6. Step 6: Final answer
    x = 18,843.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.