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Finding the Third Proportional to 92,491.50 and 199,020

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Solution

The third proportional to 92,491.50 and 199,020 is: 428,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.50 : 199,020 = 199,020 : x
  2. Step 2: Convert to fraction form
    92,491.50/199,020 = 199,020/x
  3. Step 3: Cross multiply
    92,491.50x = 199,020 × 199,020
  4. Step 4: Simplify right side
    92,491.50x = 39,608,960,400
  5. Step 5: Solve for x
    x = 39,608,960,400/92,491.50
  6. Step 6: Final answer
    x = 428,244.33

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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.