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Finding the Third Proportional to 92,259.28 and 198,668.25

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Solution

The third proportional to 92,259.28 and 198,668.25 is: 427,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,259.28 : 198,668.25 = 198,668.25 : x
  2. Step 2: Convert to fraction form
    92,259.28/198,668.25 = 198,668.25/x
  3. Step 3: Cross multiply
    92,259.28x = 198,668.25 × 198,668.25
  4. Step 4: Simplify right side
    92,259.28x = 39,469,073,558.06
  5. Step 5: Solve for x
    x = 39,469,073,558.06/92,259.28
  6. Step 6: Final answer
    x = 427,805.99

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.