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Finding the Third Proportional to 14,676 and 20,907

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Solution

The third proportional to 14,676 and 20,907 is: 29,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676 : 20,907 = 20,907 : x
  2. Step 2: Convert to fraction form
    14,676/20,907 = 20,907/x
  3. Step 3: Cross multiply
    14,676x = 20,907 × 20,907
  4. Step 4: Simplify right side
    14,676x = 437,102,649
  5. Step 5: Solve for x
    x = 437,102,649/14,676
  6. Step 6: Final answer
    x = 29,783.50

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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.