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Finding the Third Proportional to 6,240.38 and 13,398.75

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Solution

The third proportional to 6,240.38 and 13,398.75 is: 28,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.38 : 13,398.75 = 13,398.75 : x
  2. Step 2: Convert to fraction form
    6,240.38/13,398.75 = 13,398.75/x
  3. Step 3: Cross multiply
    6,240.38x = 13,398.75 × 13,398.75
  4. Step 4: Simplify right side
    6,240.38x = 179,526,501.56
  5. Step 5: Solve for x
    x = 179,526,501.56/6,240.38
  6. Step 6: Final answer
    x = 28,768.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.