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Finding the Third Proportional to 85,574 and 133,027

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Solution

The third proportional to 85,574 and 133,027 is: 206,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,574 : 133,027 = 133,027 : x
  2. Step 2: Convert to fraction form
    85,574/133,027 = 133,027/x
  3. Step 3: Cross multiply
    85,574x = 133,027 × 133,027
  4. Step 4: Simplify right side
    85,574x = 17,696,182,729
  5. Step 5: Solve for x
    x = 17,696,182,729/85,574
  6. Step 6: Final answer
    x = 206,793.92

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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.