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Finding the Third Proportional to 91,769 and 194,554

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Solution

The third proportional to 91,769 and 194,554 is: 412,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,769 : 194,554 = 194,554 : x
  2. Step 2: Convert to fraction form
    91,769/194,554 = 194,554/x
  3. Step 3: Cross multiply
    91,769x = 194,554 × 194,554
  4. Step 4: Simplify right side
    91,769x = 37,851,258,916
  5. Step 5: Solve for x
    x = 37,851,258,916/91,769
  6. Step 6: Final answer
    x = 412,462.37

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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.