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Finding the Third Proportional to 12,372 and 17,517.75

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Solution

The third proportional to 12,372 and 17,517.75 is: 24,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372 : 17,517.75 = 17,517.75 : x
  2. Step 2: Convert to fraction form
    12,372/17,517.75 = 17,517.75/x
  3. Step 3: Cross multiply
    12,372x = 17,517.75 × 17,517.75
  4. Step 4: Simplify right side
    12,372x = 306,871,565.06
  5. Step 5: Solve for x
    x = 306,871,565.06/12,372
  6. Step 6: Final answer
    x = 24,803.72

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.