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Finding the Third Proportional to 14,124 and 20,754

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Solution

The third proportional to 14,124 and 20,754 is: 30,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124 : 20,754 = 20,754 : x
  2. Step 2: Convert to fraction form
    14,124/20,754 = 20,754/x
  3. Step 3: Cross multiply
    14,124x = 20,754 × 20,754
  4. Step 4: Simplify right side
    14,124x = 430,728,516
  5. Step 5: Solve for x
    x = 430,728,516/14,124
  6. Step 6: Final answer
    x = 30,496.21

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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.