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Finding the Third Proportional to 90,771 and 133,237.50

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Solution

The third proportional to 90,771 and 133,237.50 is: 195,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,771 : 133,237.50 = 133,237.50 : x
  2. Step 2: Convert to fraction form
    90,771/133,237.50 = 133,237.50/x
  3. Step 3: Cross multiply
    90,771x = 133,237.50 × 133,237.50
  4. Step 4: Simplify right side
    90,771x = 17,752,231,406.25
  5. Step 5: Solve for x
    x = 17,752,231,406.25/90,771
  6. Step 6: Final answer
    x = 195,571.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.