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Finding the Third Proportional to 6,747 and 13,170

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Solution

The third proportional to 6,747 and 13,170 is: 25,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747 : 13,170 = 13,170 : x
  2. Step 2: Convert to fraction form
    6,747/13,170 = 13,170/x
  3. Step 3: Cross multiply
    6,747x = 13,170 × 13,170
  4. Step 4: Simplify right side
    6,747x = 173,448,900
  5. Step 5: Solve for x
    x = 173,448,900/6,747
  6. Step 6: Final answer
    x = 25,707.56

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.