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Finding the Third Proportional to 6,396.75 and 13,765.50

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Solution

The third proportional to 6,396.75 and 13,765.50 is: 29,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.75 : 13,765.50 = 13,765.50 : x
  2. Step 2: Convert to fraction form
    6,396.75/13,765.50 = 13,765.50/x
  3. Step 3: Cross multiply
    6,396.75x = 13,765.50 × 13,765.50
  4. Step 4: Simplify right side
    6,396.75x = 189,488,990.25
  5. Step 5: Solve for x
    x = 189,488,990.25/6,396.75
  6. Step 6: Final answer
    x = 29,622.70

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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.