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Finding the Third Proportional to 126,984 and 276,544

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Solution

The third proportional to 126,984 and 276,544 is: 602,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984 : 276,544 = 276,544 : x
  2. Step 2: Convert to fraction form
    126,984/276,544 = 276,544/x
  3. Step 3: Cross multiply
    126,984x = 276,544 × 276,544
  4. Step 4: Simplify right side
    126,984x = 76,476,583,936
  5. Step 5: Solve for x
    x = 76,476,583,936/126,984
  6. Step 6: Final answer
    x = 602,253.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.