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Finding the Third Proportional to 194,554 and 423,188

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Solution

The third proportional to 194,554 and 423,188 is: 920,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,554 : 423,188 = 423,188 : x
  2. Step 2: Convert to fraction form
    194,554/423,188 = 423,188/x
  3. Step 3: Cross multiply
    194,554x = 423,188 × 423,188
  4. Step 4: Simplify right side
    194,554x = 179,088,083,344
  5. Step 5: Solve for x
    x = 179,088,083,344/194,554
  6. Step 6: Final answer
    x = 920,505.79

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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.