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Finding the Third Proportional to 8,672.06 and 20,756.25

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Solution

The third proportional to 8,672.06 and 20,756.25 is: 49,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.06 : 20,756.25 = 20,756.25 : x
  2. Step 2: Convert to fraction form
    8,672.06/20,756.25 = 20,756.25/x
  3. Step 3: Cross multiply
    8,672.06x = 20,756.25 × 20,756.25
  4. Step 4: Simplify right side
    8,672.06x = 430,821,914.06
  5. Step 5: Solve for x
    x = 430,821,914.06/8,672.06
  6. Step 6: Final answer
    x = 49,679.29

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.