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Finding the Third Proportional to 18,025.50 and 38,652

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Solution

The third proportional to 18,025.50 and 38,652 is: 82,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.50 : 38,652 = 38,652 : x
  2. Step 2: Convert to fraction form
    18,025.50/38,652 = 38,652/x
  3. Step 3: Cross multiply
    18,025.50x = 38,652 × 38,652
  4. Step 4: Simplify right side
    18,025.50x = 1,493,977,104
  5. Step 5: Solve for x
    x = 1,493,977,104/18,025.50
  6. Step 6: Final answer
    x = 82,881.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.