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Finding the Third Proportional to 12,096 and 18,689

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Solution

The third proportional to 12,096 and 18,689 is: 28,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096 : 18,689 = 18,689 : x
  2. Step 2: Convert to fraction form
    12,096/18,689 = 18,689/x
  3. Step 3: Cross multiply
    12,096x = 18,689 × 18,689
  4. Step 4: Simplify right side
    12,096x = 349,278,721
  5. Step 5: Solve for x
    x = 349,278,721/12,096
  6. Step 6: Final answer
    x = 28,875.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.