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Finding the Third Proportional to 127,198 and 276,540

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Solution

The third proportional to 127,198 and 276,540 is: 601,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,198 : 276,540 = 276,540 : x
  2. Step 2: Convert to fraction form
    127,198/276,540 = 276,540/x
  3. Step 3: Cross multiply
    127,198x = 276,540 × 276,540
  4. Step 4: Simplify right side
    127,198x = 76,474,371,600
  5. Step 5: Solve for x
    x = 76,474,371,600/127,198
  6. Step 6: Final answer
    x = 601,223.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.