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Finding the Third Proportional to 90,517.50 and 195,601.50

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Solution

The third proportional to 90,517.50 and 195,601.50 is: 422,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,517.50 : 195,601.50 = 195,601.50 : x
  2. Step 2: Convert to fraction form
    90,517.50/195,601.50 = 195,601.50/x
  3. Step 3: Cross multiply
    90,517.50x = 195,601.50 × 195,601.50
  4. Step 4: Simplify right side
    90,517.50x = 38,259,946,802.25
  5. Step 5: Solve for x
    x = 38,259,946,802.25/90,517.50
  6. Step 6: Final answer
    x = 422,680.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.