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Finding the Third Proportional to 168,190.75 and 280,307.63

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Solution

The third proportional to 168,190.75 and 280,307.63 is: 467,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,190.75 : 280,307.63 = 280,307.63 : x
  2. Step 2: Convert to fraction form
    168,190.75/280,307.63 = 280,307.63/x
  3. Step 3: Cross multiply
    168,190.75x = 280,307.63 × 280,307.63
  4. Step 4: Simplify right side
    168,190.75x = 78,572,364,633.14
  5. Step 5: Solve for x
    x = 78,572,364,633.14/168,190.75
  6. Step 6: Final answer
    x = 467,162.22

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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.