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Finding the Third Proportional to 11,555.25 and 17,163

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Solution

The third proportional to 11,555.25 and 17,163 is: 25,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.25 : 17,163 = 17,163 : x
  2. Step 2: Convert to fraction form
    11,555.25/17,163 = 17,163/x
  3. Step 3: Cross multiply
    11,555.25x = 17,163 × 17,163
  4. Step 4: Simplify right side
    11,555.25x = 294,568,569
  5. Step 5: Solve for x
    x = 294,568,569/11,555.25
  6. Step 6: Final answer
    x = 25,492.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.