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Finding the Third Proportional to 90,651.75 and 196,369.75

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Solution

The third proportional to 90,651.75 and 196,369.75 is: 425,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,651.75 : 196,369.75 = 196,369.75 : x
  2. Step 2: Convert to fraction form
    90,651.75/196,369.75 = 196,369.75/x
  3. Step 3: Cross multiply
    90,651.75x = 196,369.75 × 196,369.75
  4. Step 4: Simplify right side
    90,651.75x = 38,561,078,715.06
  5. Step 5: Solve for x
    x = 38,561,078,715.06/90,651.75
  6. Step 6: Final answer
    x = 425,376.00

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.