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Finding the Third Proportional to 67,108 and 155,225

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Solution

The third proportional to 67,108 and 155,225 is: 359,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,108 : 155,225 = 155,225 : x
  2. Step 2: Convert to fraction form
    67,108/155,225 = 155,225/x
  3. Step 3: Cross multiply
    67,108x = 155,225 × 155,225
  4. Step 4: Simplify right side
    67,108x = 24,094,800,625
  5. Step 5: Solve for x
    x = 24,094,800,625/67,108
  6. Step 6: Final answer
    x = 359,045.13

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.