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Finding the Third Proportional to 12,108 and 19,026

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Solution

The third proportional to 12,108 and 19,026 is: 29,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108 : 19,026 = 19,026 : x
  2. Step 2: Convert to fraction form
    12,108/19,026 = 19,026/x
  3. Step 3: Cross multiply
    12,108x = 19,026 × 19,026
  4. Step 4: Simplify right side
    12,108x = 361,988,676
  5. Step 5: Solve for x
    x = 361,988,676/12,108
  6. Step 6: Final answer
    x = 29,896.65

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.