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Finding the Third Proportional to 72,099 and 110,880

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Solution

The third proportional to 72,099 and 110,880 is: 170,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,099 : 110,880 = 110,880 : x
  2. Step 2: Convert to fraction form
    72,099/110,880 = 110,880/x
  3. Step 3: Cross multiply
    72,099x = 110,880 × 110,880
  4. Step 4: Simplify right side
    72,099x = 12,294,374,400
  5. Step 5: Solve for x
    x = 12,294,374,400/72,099
  6. Step 6: Final answer
    x = 170,520.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.