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Finding the Third Proportional to 270,456 and 577,112

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Solution

The third proportional to 270,456 and 577,112 is: 1,231,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,456 : 577,112 = 577,112 : x
  2. Step 2: Convert to fraction form
    270,456/577,112 = 577,112/x
  3. Step 3: Cross multiply
    270,456x = 577,112 × 577,112
  4. Step 4: Simplify right side
    270,456x = 333,058,260,544
  5. Step 5: Solve for x
    x = 333,058,260,544/270,456
  6. Step 6: Final answer
    x = 1,231,469.30

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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.