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Finding the Third Proportional to 129,035 and 277,845

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Solution

The third proportional to 129,035 and 277,845 is: 598,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,035 : 277,845 = 277,845 : x
  2. Step 2: Convert to fraction form
    129,035/277,845 = 277,845/x
  3. Step 3: Cross multiply
    129,035x = 277,845 × 277,845
  4. Step 4: Simplify right side
    129,035x = 77,197,844,025
  5. Step 5: Solve for x
    x = 77,197,844,025/129,035
  6. Step 6: Final answer
    x = 598,270.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.