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Finding the Third Proportional to 76,325 and 164,314

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Solution

The third proportional to 76,325 and 164,314 is: 353,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,325 : 164,314 = 164,314 : x
  2. Step 2: Convert to fraction form
    76,325/164,314 = 164,314/x
  3. Step 3: Cross multiply
    76,325x = 164,314 × 164,314
  4. Step 4: Simplify right side
    76,325x = 26,999,090,596
  5. Step 5: Solve for x
    x = 26,999,090,596/76,325
  6. Step 6: Final answer
    x = 353,738.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.