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Finding the Third Proportional to 91,398 and 194,436

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Solution

The third proportional to 91,398 and 194,436 is: 413,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,398 : 194,436 = 194,436 : x
  2. Step 2: Convert to fraction form
    91,398/194,436 = 194,436/x
  3. Step 3: Cross multiply
    91,398x = 194,436 × 194,436
  4. Step 4: Simplify right side
    91,398x = 37,805,358,096
  5. Step 5: Solve for x
    x = 37,805,358,096/91,398
  6. Step 6: Final answer
    x = 413,634.41

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.