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Finding the Third Proportional to 85,069.50 and 102,474.75

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Solution

The third proportional to 85,069.50 and 102,474.75 is: 123,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,069.50 : 102,474.75 = 102,474.75 : x
  2. Step 2: Convert to fraction form
    85,069.50/102,474.75 = 102,474.75/x
  3. Step 3: Cross multiply
    85,069.50x = 102,474.75 × 102,474.75
  4. Step 4: Simplify right side
    85,069.50x = 10,501,074,387.56
  5. Step 5: Solve for x
    x = 10,501,074,387.56/85,069.50
  6. Step 6: Final answer
    x = 123,441.12

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.