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Finding the Third Proportional to 181,543 and 279,968

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Solution

The third proportional to 181,543 and 279,968 is: 431,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,543 : 279,968 = 279,968 : x
  2. Step 2: Convert to fraction form
    181,543/279,968 = 279,968/x
  3. Step 3: Cross multiply
    181,543x = 279,968 × 279,968
  4. Step 4: Simplify right side
    181,543x = 78,382,081,024
  5. Step 5: Solve for x
    x = 78,382,081,024/181,543
  6. Step 6: Final answer
    x = 431,754.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.