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Finding the Third Proportional to 140,151.75 and 220,272

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Solution

The third proportional to 140,151.75 and 220,272 is: 346,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,151.75 : 220,272 = 220,272 : x
  2. Step 2: Convert to fraction form
    140,151.75/220,272 = 220,272/x
  3. Step 3: Cross multiply
    140,151.75x = 220,272 × 220,272
  4. Step 4: Simplify right side
    140,151.75x = 48,519,753,984
  5. Step 5: Solve for x
    x = 48,519,753,984/140,151.75
  6. Step 6: Final answer
    x = 346,194.42

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.