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Finding the Third Proportional to 133,980 and 181,958

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Solution

The third proportional to 133,980 and 181,958 is: 247,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,980 : 181,958 = 181,958 : x
  2. Step 2: Convert to fraction form
    133,980/181,958 = 181,958/x
  3. Step 3: Cross multiply
    133,980x = 181,958 × 181,958
  4. Step 4: Simplify right side
    133,980x = 33,108,713,764
  5. Step 5: Solve for x
    x = 33,108,713,764/133,980
  6. Step 6: Final answer
    x = 247,116.84

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.