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Finding the Third Proportional to 13,200 and 17,176

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Solution

The third proportional to 13,200 and 17,176 is: 22,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200 : 17,176 = 17,176 : x
  2. Step 2: Convert to fraction form
    13,200/17,176 = 17,176/x
  3. Step 3: Cross multiply
    13,200x = 17,176 × 17,176
  4. Step 4: Simplify right side
    13,200x = 295,014,976
  5. Step 5: Solve for x
    x = 295,014,976/13,200
  6. Step 6: Final answer
    x = 22,349.62

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.