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Finding the Third Proportional to 8,769 and 13,247.25

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Solution

The third proportional to 8,769 and 13,247.25 is: 20,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769 : 13,247.25 = 13,247.25 : x
  2. Step 2: Convert to fraction form
    8,769/13,247.25 = 13,247.25/x
  3. Step 3: Cross multiply
    8,769x = 13,247.25 × 13,247.25
  4. Step 4: Simplify right side
    8,769x = 175,489,632.56
  5. Step 5: Solve for x
    x = 175,489,632.56/8,769
  6. Step 6: Final answer
    x = 20,012.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.