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Finding the Third Proportional to 7,191 and 13,383

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Solution

The third proportional to 7,191 and 13,383 is: 24,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191 : 13,383 = 13,383 : x
  2. Step 2: Convert to fraction form
    7,191/13,383 = 13,383/x
  3. Step 3: Cross multiply
    7,191x = 13,383 × 13,383
  4. Step 4: Simplify right side
    7,191x = 179,104,689
  5. Step 5: Solve for x
    x = 179,104,689/7,191
  6. Step 6: Final answer
    x = 24,906.78

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.