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Finding the Third Proportional to 85,501 and 132,403.75

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Solution

The third proportional to 85,501 and 132,403.75 is: 205,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,501 : 132,403.75 = 132,403.75 : x
  2. Step 2: Convert to fraction form
    85,501/132,403.75 = 132,403.75/x
  3. Step 3: Cross multiply
    85,501x = 132,403.75 × 132,403.75
  4. Step 4: Simplify right side
    85,501x = 17,530,753,014.06
  5. Step 5: Solve for x
    x = 17,530,753,014.06/85,501
  6. Step 6: Final answer
    x = 205,035.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.