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Finding the Third Proportional to 80,061.75 and 173,271.75

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Solution

The third proportional to 80,061.75 and 173,271.75 is: 374,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,061.75 : 173,271.75 = 173,271.75 : x
  2. Step 2: Convert to fraction form
    80,061.75/173,271.75 = 173,271.75/x
  3. Step 3: Cross multiply
    80,061.75x = 173,271.75 × 173,271.75
  4. Step 4: Simplify right side
    80,061.75x = 30,023,099,348.06
  5. Step 5: Solve for x
    x = 30,023,099,348.06/80,061.75
  6. Step 6: Final answer
    x = 374,999.29

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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.