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Finding the Third Proportional to 122,539 and 269,242

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Solution

The third proportional to 122,539 and 269,242 is: 591,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,539 : 269,242 = 269,242 : x
  2. Step 2: Convert to fraction form
    122,539/269,242 = 269,242/x
  3. Step 3: Cross multiply
    122,539x = 269,242 × 269,242
  4. Step 4: Simplify right side
    122,539x = 72,491,254,564
  5. Step 5: Solve for x
    x = 72,491,254,564/122,539
  6. Step 6: Final answer
    x = 591,577.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.