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Finding the Third Proportional to 85,062.25 and 185,688.75

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Solution

The third proportional to 85,062.25 and 185,688.75 is: 405,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,062.25 : 185,688.75 = 185,688.75 : x
  2. Step 2: Convert to fraction form
    85,062.25/185,688.75 = 185,688.75/x
  3. Step 3: Cross multiply
    85,062.25x = 185,688.75 × 185,688.75
  4. Step 4: Simplify right side
    85,062.25x = 34,480,311,876.56
  5. Step 5: Solve for x
    x = 34,480,311,876.56/85,062.25
  6. Step 6: Final answer
    x = 405,353.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.