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Finding the Third Proportional to 8,732.25 and 18,450

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Solution

The third proportional to 8,732.25 and 18,450 is: 38,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.25 : 18,450 = 18,450 : x
  2. Step 2: Convert to fraction form
    8,732.25/18,450 = 18,450/x
  3. Step 3: Cross multiply
    8,732.25x = 18,450 × 18,450
  4. Step 4: Simplify right side
    8,732.25x = 340,402,500
  5. Step 5: Solve for x
    x = 340,402,500/8,732.25
  6. Step 6: Final answer
    x = 38,982.22

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.