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Finding the Third Proportional to 9,927 and 17,631

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Solution

The third proportional to 9,927 and 17,631 is: 31,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927 : 17,631 = 17,631 : x
  2. Step 2: Convert to fraction form
    9,927/17,631 = 17,631/x
  3. Step 3: Cross multiply
    9,927x = 17,631 × 17,631
  4. Step 4: Simplify right side
    9,927x = 310,852,161
  5. Step 5: Solve for x
    x = 310,852,161/9,927
  6. Step 6: Final answer
    x = 31,313.81

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.