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Finding the Third Proportional to 80,976.75 and 174,255.75

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Solution

The third proportional to 80,976.75 and 174,255.75 is: 374,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,976.75 : 174,255.75 = 174,255.75 : x
  2. Step 2: Convert to fraction form
    80,976.75/174,255.75 = 174,255.75/x
  3. Step 3: Cross multiply
    80,976.75x = 174,255.75 × 174,255.75
  4. Step 4: Simplify right side
    80,976.75x = 30,365,066,408.06
  5. Step 5: Solve for x
    x = 30,365,066,408.06/80,976.75
  6. Step 6: Final answer
    x = 374,985.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.