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Finding the Third Proportional to 91,768.75 and 129,232.75

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Solution

The third proportional to 91,768.75 and 129,232.75 is: 181,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,768.75 : 129,232.75 = 129,232.75 : x
  2. Step 2: Convert to fraction form
    91,768.75/129,232.75 = 129,232.75/x
  3. Step 3: Cross multiply
    91,768.75x = 129,232.75 × 129,232.75
  4. Step 4: Simplify right side
    91,768.75x = 16,701,103,672.56
  5. Step 5: Solve for x
    x = 16,701,103,672.56/91,768.75
  6. Step 6: Final answer
    x = 181,991.19

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.