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Finding the Third Proportional to 18,250.31 and 28,182.09

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Solution

The third proportional to 18,250.31 and 28,182.09 is: 43,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.31 : 28,182.09 = 28,182.09 : x
  2. Step 2: Convert to fraction form
    18,250.31/28,182.09 = 28,182.09/x
  3. Step 3: Cross multiply
    18,250.31x = 28,182.09 × 28,182.09
  4. Step 4: Simplify right side
    18,250.31x = 794,230,408.13
  5. Step 5: Solve for x
    x = 794,230,408.13/18,250.31
  6. Step 6: Final answer
    x = 43,518.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.