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Finding the Third Proportional to 127,189 and 276,247

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Solution

The third proportional to 127,189 and 276,247 is: 599,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,189 : 276,247 = 276,247 : x
  2. Step 2: Convert to fraction form
    127,189/276,247 = 276,247/x
  3. Step 3: Cross multiply
    127,189x = 276,247 × 276,247
  4. Step 4: Simplify right side
    127,189x = 76,312,405,009
  5. Step 5: Solve for x
    x = 76,312,405,009/127,189
  6. Step 6: Final answer
    x = 599,992.18

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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.