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Finding the Third Proportional to 85,861.50 and 186,501.75

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Solution

The third proportional to 85,861.50 and 186,501.75 is: 405,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,861.50 : 186,501.75 = 186,501.75 : x
  2. Step 2: Convert to fraction form
    85,861.50/186,501.75 = 186,501.75/x
  3. Step 3: Cross multiply
    85,861.50x = 186,501.75 × 186,501.75
  4. Step 4: Simplify right side
    85,861.50x = 34,782,902,753.06
  5. Step 5: Solve for x
    x = 34,782,902,753.06/85,861.50
  6. Step 6: Final answer
    x = 405,104.76

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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.