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Finding the Third Proportional to 181,129 and 397,250

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Solution

The third proportional to 181,129 and 397,250 is: 871,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,129 : 397,250 = 397,250 : x
  2. Step 2: Convert to fraction form
    181,129/397,250 = 397,250/x
  3. Step 3: Cross multiply
    181,129x = 397,250 × 397,250
  4. Step 4: Simplify right side
    181,129x = 157,807,562,500
  5. Step 5: Solve for x
    x = 157,807,562,500/181,129
  6. Step 6: Final answer
    x = 871,244.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.