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Finding the Third Proportional to 9,108 and 13,963

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Solution

The third proportional to 9,108 and 13,963 is: 21,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108 : 13,963 = 13,963 : x
  2. Step 2: Convert to fraction form
    9,108/13,963 = 13,963/x
  3. Step 3: Cross multiply
    9,108x = 13,963 × 13,963
  4. Step 4: Simplify right side
    9,108x = 194,965,369
  5. Step 5: Solve for x
    x = 194,965,369/9,108
  6. Step 6: Final answer
    x = 21,405.95

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.