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Finding the Third Proportional to 59,539 and 128,427

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Solution

The third proportional to 59,539 and 128,427 is: 277,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,539 : 128,427 = 128,427 : x
  2. Step 2: Convert to fraction form
    59,539/128,427 = 128,427/x
  3. Step 3: Cross multiply
    59,539x = 128,427 × 128,427
  4. Step 4: Simplify right side
    59,539x = 16,493,494,329
  5. Step 5: Solve for x
    x = 16,493,494,329/59,539
  6. Step 6: Final answer
    x = 277,020.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.