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Finding the Third Proportional to 9,312.75 and 20,267.25

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Solution

The third proportional to 9,312.75 and 20,267.25 is: 44,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.75 : 20,267.25 = 20,267.25 : x
  2. Step 2: Convert to fraction form
    9,312.75/20,267.25 = 20,267.25/x
  3. Step 3: Cross multiply
    9,312.75x = 20,267.25 × 20,267.25
  4. Step 4: Simplify right side
    9,312.75x = 410,761,422.56
  5. Step 5: Solve for x
    x = 410,761,422.56/9,312.75
  6. Step 6: Final answer
    x = 44,107.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.