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Finding the Third Proportional to 67,170 and 94,158

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Solution

The third proportional to 67,170 and 94,158 is: 131,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,170 : 94,158 = 94,158 : x
  2. Step 2: Convert to fraction form
    67,170/94,158 = 94,158/x
  3. Step 3: Cross multiply
    67,170x = 94,158 × 94,158
  4. Step 4: Simplify right side
    67,170x = 8,865,728,964
  5. Step 5: Solve for x
    x = 8,865,728,964/67,170
  6. Step 6: Final answer
    x = 131,989.41

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.