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Finding the Third Proportional to 9,783 and 11,241

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Solution

The third proportional to 9,783 and 11,241 is: 12,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783 : 11,241 = 11,241 : x
  2. Step 2: Convert to fraction form
    9,783/11,241 = 11,241/x
  3. Step 3: Cross multiply
    9,783x = 11,241 × 11,241
  4. Step 4: Simplify right side
    9,783x = 126,360,081
  5. Step 5: Solve for x
    x = 126,360,081/9,783
  6. Step 6: Final answer
    x = 12,916.29

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.