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Finding the Third Proportional to 14,612 and 20,676

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Solution

The third proportional to 14,612 and 20,676 is: 29,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612 : 20,676 = 20,676 : x
  2. Step 2: Convert to fraction form
    14,612/20,676 = 20,676/x
  3. Step 3: Cross multiply
    14,612x = 20,676 × 20,676
  4. Step 4: Simplify right side
    14,612x = 427,496,976
  5. Step 5: Solve for x
    x = 427,496,976/14,612
  6. Step 6: Final answer
    x = 29,256.57

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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.