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Finding the Third Proportional to 6,645.75 and 9,029.25

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Solution

The third proportional to 6,645.75 and 9,029.25 is: 12,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.75 : 9,029.25 = 9,029.25 : x
  2. Step 2: Convert to fraction form
    6,645.75/9,029.25 = 9,029.25/x
  3. Step 3: Cross multiply
    6,645.75x = 9,029.25 × 9,029.25
  4. Step 4: Simplify right side
    6,645.75x = 81,527,355.56
  5. Step 5: Solve for x
    x = 81,527,355.56/6,645.75
  6. Step 6: Final answer
    x = 12,267.59

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.