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Finding the Third Proportional to 6,644 and 13,977

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Solution

The third proportional to 6,644 and 13,977 is: 29,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644 : 13,977 = 13,977 : x
  2. Step 2: Convert to fraction form
    6,644/13,977 = 13,977/x
  3. Step 3: Cross multiply
    6,644x = 13,977 × 13,977
  4. Step 4: Simplify right side
    6,644x = 195,356,529
  5. Step 5: Solve for x
    x = 195,356,529/6,644
  6. Step 6: Final answer
    x = 29,403.45

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.