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Finding the Third Proportional to 14,834 and 20,739

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Solution

The third proportional to 14,834 and 20,739 is: 28,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834 : 20,739 = 20,739 : x
  2. Step 2: Convert to fraction form
    14,834/20,739 = 20,739/x
  3. Step 3: Cross multiply
    14,834x = 20,739 × 20,739
  4. Step 4: Simplify right side
    14,834x = 430,106,121
  5. Step 5: Solve for x
    x = 430,106,121/14,834
  6. Step 6: Final answer
    x = 28,994.62

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.