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Finding the Third Proportional to 127,240 and 276,344

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Solution

The third proportional to 127,240 and 276,344 is: 600,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,240 : 276,344 = 276,344 : x
  2. Step 2: Convert to fraction form
    127,240/276,344 = 276,344/x
  3. Step 3: Cross multiply
    127,240x = 276,344 × 276,344
  4. Step 4: Simplify right side
    127,240x = 76,366,006,336
  5. Step 5: Solve for x
    x = 76,366,006,336/127,240
  6. Step 6: Final answer
    x = 600,172.95

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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.