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Finding the Third Proportional to 91,768.50 and 129,233.25

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Solution

The third proportional to 91,768.50 and 129,233.25 is: 181,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,768.50 : 129,233.25 = 129,233.25 : x
  2. Step 2: Convert to fraction form
    91,768.50/129,233.25 = 129,233.25/x
  3. Step 3: Cross multiply
    91,768.50x = 129,233.25 × 129,233.25
  4. Step 4: Simplify right side
    91,768.50x = 16,701,232,905.56
  5. Step 5: Solve for x
    x = 16,701,232,905.56/91,768.50
  6. Step 6: Final answer
    x = 181,993.09

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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.