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Finding the Third Proportional to 11,186 and 15,938

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Solution

The third proportional to 11,186 and 15,938 is: 22,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186 : 15,938 = 15,938 : x
  2. Step 2: Convert to fraction form
    11,186/15,938 = 15,938/x
  3. Step 3: Cross multiply
    11,186x = 15,938 × 15,938
  4. Step 4: Simplify right side
    11,186x = 254,019,844
  5. Step 5: Solve for x
    x = 254,019,844/11,186
  6. Step 6: Final answer
    x = 22,708.73

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.