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Finding the Third Proportional to 181,068 and 394,520

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Solution

The third proportional to 181,068 and 394,520 is: 859,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,068 : 394,520 = 394,520 : x
  2. Step 2: Convert to fraction form
    181,068/394,520 = 394,520/x
  3. Step 3: Cross multiply
    181,068x = 394,520 × 394,520
  4. Step 4: Simplify right side
    181,068x = 155,646,030,400
  5. Step 5: Solve for x
    x = 155,646,030,400/181,068
  6. Step 6: Final answer
    x = 859,599.88

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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.