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Finding the Third Proportional to 67,942.23 and 80,244.11

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Solution

The third proportional to 67,942.23 and 80,244.11 is: 94,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,942.23 : 80,244.11 = 80,244.11 : x
  2. Step 2: Convert to fraction form
    67,942.23/80,244.11 = 80,244.11/x
  3. Step 3: Cross multiply
    67,942.23x = 80,244.11 × 80,244.11
  4. Step 4: Simplify right side
    67,942.23x = 6,439,116,462.48
  5. Step 5: Solve for x
    x = 6,439,116,462.48/67,942.23
  6. Step 6: Final answer
    x = 94,773.40

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.