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Finding the Third Proportional to 91,914.75 and 140,545.13

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Solution

The third proportional to 91,914.75 and 140,545.13 is: 214,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,914.75 : 140,545.13 = 140,545.13 : x
  2. Step 2: Convert to fraction form
    91,914.75/140,545.13 = 140,545.13/x
  3. Step 3: Cross multiply
    91,914.75x = 140,545.13 × 140,545.13
  4. Step 4: Simplify right side
    91,914.75x = 19,752,932,161.27
  5. Step 5: Solve for x
    x = 19,752,932,161.27/91,914.75
  6. Step 6: Final answer
    x = 214,904.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.