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Finding the Third Proportional to 171,551 and 378,004

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Solution

The third proportional to 171,551 and 378,004 is: 832,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,551 : 378,004 = 378,004 : x
  2. Step 2: Convert to fraction form
    171,551/378,004 = 378,004/x
  3. Step 3: Cross multiply
    171,551x = 378,004 × 378,004
  4. Step 4: Simplify right side
    171,551x = 142,887,024,016
  5. Step 5: Solve for x
    x = 142,887,024,016/171,551
  6. Step 6: Final answer
    x = 832,912.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.