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Finding the Third Proportional to 6,662.25 and 9,011.25

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Solution

The third proportional to 6,662.25 and 9,011.25 is: 12,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.25 : 9,011.25 = 9,011.25 : x
  2. Step 2: Convert to fraction form
    6,662.25/9,011.25 = 9,011.25/x
  3. Step 3: Cross multiply
    6,662.25x = 9,011.25 × 9,011.25
  4. Step 4: Simplify right side
    6,662.25x = 81,202,626.56
  5. Step 5: Solve for x
    x = 81,202,626.56/6,662.25
  6. Step 6: Final answer
    x = 12,188.47

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.