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Finding the Third Proportional to 11,199 and 15,696.75

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Solution

The third proportional to 11,199 and 15,696.75 is: 22,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199 : 15,696.75 = 15,696.75 : x
  2. Step 2: Convert to fraction form
    11,199/15,696.75 = 15,696.75/x
  3. Step 3: Cross multiply
    11,199x = 15,696.75 × 15,696.75
  4. Step 4: Simplify right side
    11,199x = 246,387,960.56
  5. Step 5: Solve for x
    x = 246,387,960.56/11,199
  6. Step 6: Final answer
    x = 22,000.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.