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Finding the Third Proportional to 92,400.75 and 198,604.69

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Solution

The third proportional to 92,400.75 and 198,604.69 is: 426,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.75 : 198,604.69 = 198,604.69 : x
  2. Step 2: Convert to fraction form
    92,400.75/198,604.69 = 198,604.69/x
  3. Step 3: Cross multiply
    92,400.75x = 198,604.69 × 198,604.69
  4. Step 4: Simplify right side
    92,400.75x = 39,443,821,896.97
  5. Step 5: Solve for x
    x = 39,443,821,896.97/92,400.75
  6. Step 6: Final answer
    x = 426,877.72

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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.