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Finding the Third Proportional to 12,108 and 18,232.50

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Solution

The third proportional to 12,108 and 18,232.50 is: 27,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108 : 18,232.50 = 18,232.50 : x
  2. Step 2: Convert to fraction form
    12,108/18,232.50 = 18,232.50/x
  3. Step 3: Cross multiply
    12,108x = 18,232.50 × 18,232.50
  4. Step 4: Simplify right side
    12,108x = 332,424,056.25
  5. Step 5: Solve for x
    x = 332,424,056.25/12,108
  6. Step 6: Final answer
    x = 27,454.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.