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Finding the Third Proportional to 6,375 and 13,808.75

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Solution

The third proportional to 6,375 and 13,808.75 is: 29,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375 : 13,808.75 = 13,808.75 : x
  2. Step 2: Convert to fraction form
    6,375/13,808.75 = 13,808.75/x
  3. Step 3: Cross multiply
    6,375x = 13,808.75 × 13,808.75
  4. Step 4: Simplify right side
    6,375x = 190,681,576.56
  5. Step 5: Solve for x
    x = 190,681,576.56/6,375
  6. Step 6: Final answer
    x = 29,910.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.