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Finding the Third Proportional to 6,903 and 11,112

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Solution

The third proportional to 6,903 and 11,112 is: 17,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903 : 11,112 = 11,112 : x
  2. Step 2: Convert to fraction form
    6,903/11,112 = 11,112/x
  3. Step 3: Cross multiply
    6,903x = 11,112 × 11,112
  4. Step 4: Simplify right side
    6,903x = 123,476,544
  5. Step 5: Solve for x
    x = 123,476,544/6,903
  6. Step 6: Final answer
    x = 17,887.37

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.