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Finding the Third Proportional to 14,230 and 20,977

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Solution

The third proportional to 14,230 and 20,977 is: 30,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230 : 20,977 = 20,977 : x
  2. Step 2: Convert to fraction form
    14,230/20,977 = 20,977/x
  3. Step 3: Cross multiply
    14,230x = 20,977 × 20,977
  4. Step 4: Simplify right side
    14,230x = 440,034,529
  5. Step 5: Solve for x
    x = 440,034,529/14,230
  6. Step 6: Final answer
    x = 30,923.02

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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.