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Finding the Third Proportional to 91,692 and 194,420

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Solution

The third proportional to 91,692 and 194,420 is: 412,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,692 : 194,420 = 194,420 : x
  2. Step 2: Convert to fraction form
    91,692/194,420 = 194,420/x
  3. Step 3: Cross multiply
    91,692x = 194,420 × 194,420
  4. Step 4: Simplify right side
    91,692x = 37,799,136,400
  5. Step 5: Solve for x
    x = 37,799,136,400/91,692
  6. Step 6: Final answer
    x = 412,240.29

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.