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Finding the Third Proportional to 149,904 and 319,227.75

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Solution

The third proportional to 149,904 and 319,227.75 is: 679,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,904 : 319,227.75 = 319,227.75 : x
  2. Step 2: Convert to fraction form
    149,904/319,227.75 = 319,227.75/x
  3. Step 3: Cross multiply
    149,904x = 319,227.75 × 319,227.75
  4. Step 4: Simplify right side
    149,904x = 101,906,356,370.06
  5. Step 5: Solve for x
    x = 101,906,356,370.06/149,904
  6. Step 6: Final answer
    x = 679,810.79

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.