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Finding the Third Proportional to 52,118 and 80,750

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Solution

The third proportional to 52,118 and 80,750 is: 125,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118 : 80,750 = 80,750 : x
  2. Step 2: Convert to fraction form
    52,118/80,750 = 80,750/x
  3. Step 3: Cross multiply
    52,118x = 80,750 × 80,750
  4. Step 4: Simplify right side
    52,118x = 6,520,562,500
  5. Step 5: Solve for x
    x = 6,520,562,500/52,118
  6. Step 6: Final answer
    x = 125,111.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.