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Finding the Third Proportional to 12,717 and 30,381.75

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Solution

The third proportional to 12,717 and 30,381.75 is: 72,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717 : 30,381.75 = 30,381.75 : x
  2. Step 2: Convert to fraction form
    12,717/30,381.75 = 30,381.75/x
  3. Step 3: Cross multiply
    12,717x = 30,381.75 × 30,381.75
  4. Step 4: Simplify right side
    12,717x = 923,050,733.06
  5. Step 5: Solve for x
    x = 923,050,733.06/12,717
  6. Step 6: Final answer
    x = 72,584.00

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.