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Finding the Third Proportional to 6,450 and 15,189

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Solution

The third proportional to 6,450 and 15,189 is: 35,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450 : 15,189 = 15,189 : x
  2. Step 2: Convert to fraction form
    6,450/15,189 = 15,189/x
  3. Step 3: Cross multiply
    6,450x = 15,189 × 15,189
  4. Step 4: Simplify right side
    6,450x = 230,705,721
  5. Step 5: Solve for x
    x = 230,705,721/6,450
  6. Step 6: Final answer
    x = 35,768.33

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.