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Finding the Third Proportional to 127,600.75 and 279,623.25

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Solution

The third proportional to 127,600.75 and 279,623.25 is: 612,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,600.75 : 279,623.25 = 279,623.25 : x
  2. Step 2: Convert to fraction form
    127,600.75/279,623.25 = 279,623.25/x
  3. Step 3: Cross multiply
    127,600.75x = 279,623.25 × 279,623.25
  4. Step 4: Simplify right side
    127,600.75x = 78,189,161,940.56
  5. Step 5: Solve for x
    x = 78,189,161,940.56/127,600.75
  6. Step 6: Final answer
    x = 612,764.13

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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.