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Finding the Third Proportional to 9,189 and 13,827

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Solution

The third proportional to 9,189 and 13,827 is: 20,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189 : 13,827 = 13,827 : x
  2. Step 2: Convert to fraction form
    9,189/13,827 = 13,827/x
  3. Step 3: Cross multiply
    9,189x = 13,827 × 13,827
  4. Step 4: Simplify right side
    9,189x = 191,185,929
  5. Step 5: Solve for x
    x = 191,185,929/9,189
  6. Step 6: Final answer
    x = 20,805.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.