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Finding the Third Proportional to 11,048 and 13,520

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Solution

The third proportional to 11,048 and 13,520 is: 16,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,048 : 13,520 = 13,520 : x
  2. Step 2: Convert to fraction form
    11,048/13,520 = 13,520/x
  3. Step 3: Cross multiply
    11,048x = 13,520 × 13,520
  4. Step 4: Simplify right side
    11,048x = 182,790,400
  5. Step 5: Solve for x
    x = 182,790,400/11,048
  6. Step 6: Final answer
    x = 16,545.11

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.