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Finding the Third Proportional to 173,858 and 255,843

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Solution

The third proportional to 173,858 and 255,843 is: 376,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,858 : 255,843 = 255,843 : x
  2. Step 2: Convert to fraction form
    173,858/255,843 = 255,843/x
  3. Step 3: Cross multiply
    173,858x = 255,843 × 255,843
  4. Step 4: Simplify right side
    173,858x = 65,455,640,649
  5. Step 5: Solve for x
    x = 65,455,640,649/173,858
  6. Step 6: Final answer
    x = 376,489.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.