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Finding the Third Proportional to 194,090 and 422,351

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Solution

The third proportional to 194,090 and 422,351 is: 919,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,090 : 422,351 = 422,351 : x
  2. Step 2: Convert to fraction form
    194,090/422,351 = 422,351/x
  3. Step 3: Cross multiply
    194,090x = 422,351 × 422,351
  4. Step 4: Simplify right side
    194,090x = 178,380,367,201
  5. Step 5: Solve for x
    x = 178,380,367,201/194,090
  6. Step 6: Final answer
    x = 919,060.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.