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Finding the Third Proportional to 168,151.75 and 280,253

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Solution

The third proportional to 168,151.75 and 280,253 is: 467,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151.75 : 280,253 = 280,253 : x
  2. Step 2: Convert to fraction form
    168,151.75/280,253 = 280,253/x
  3. Step 3: Cross multiply
    168,151.75x = 280,253 × 280,253
  4. Step 4: Simplify right side
    168,151.75x = 78,541,744,009
  5. Step 5: Solve for x
    x = 78,541,744,009/168,151.75
  6. Step 6: Final answer
    x = 467,088.47

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.