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Finding the Third Proportional to 39,200.63 and 85,245.75

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Solution

The third proportional to 39,200.63 and 85,245.75 is: 185,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.63 : 85,245.75 = 85,245.75 : x
  2. Step 2: Convert to fraction form
    39,200.63/85,245.75 = 85,245.75/x
  3. Step 3: Cross multiply
    39,200.63x = 85,245.75 × 85,245.75
  4. Step 4: Simplify right side
    39,200.63x = 7,266,837,893.06
  5. Step 5: Solve for x
    x = 7,266,837,893.06/39,200.63
  6. Step 6: Final answer
    x = 185,375.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.