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Finding the Third Proportional to 71,844 and 156,255

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Solution

The third proportional to 71,844 and 156,255 is: 339,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,844 : 156,255 = 156,255 : x
  2. Step 2: Convert to fraction form
    71,844/156,255 = 156,255/x
  3. Step 3: Cross multiply
    71,844x = 156,255 × 156,255
  4. Step 4: Simplify right side
    71,844x = 24,415,625,025
  5. Step 5: Solve for x
    x = 24,415,625,025/71,844
  6. Step 6: Final answer
    x = 339,842.23

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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.