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Finding the Third Proportional to 14,170.50 and 20,863.50

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Solution

The third proportional to 14,170.50 and 20,863.50 is: 30,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.50 : 20,863.50 = 20,863.50 : x
  2. Step 2: Convert to fraction form
    14,170.50/20,863.50 = 20,863.50/x
  3. Step 3: Cross multiply
    14,170.50x = 20,863.50 × 20,863.50
  4. Step 4: Simplify right side
    14,170.50x = 435,285,632.25
  5. Step 5: Solve for x
    x = 435,285,632.25/14,170.50
  6. Step 6: Final answer
    x = 30,717.73

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.