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Finding the Third Proportional to 6,905 and 9,183

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Solution

The third proportional to 6,905 and 9,183 is: 12,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905 : 9,183 = 9,183 : x
  2. Step 2: Convert to fraction form
    6,905/9,183 = 9,183/x
  3. Step 3: Cross multiply
    6,905x = 9,183 × 9,183
  4. Step 4: Simplify right side
    6,905x = 84,327,489
  5. Step 5: Solve for x
    x = 84,327,489/6,905
  6. Step 6: Final answer
    x = 12,212.53

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.