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Finding the Third Proportional to 75,894 and 163,269

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Solution

The third proportional to 75,894 and 163,269 is: 351,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,894 : 163,269 = 163,269 : x
  2. Step 2: Convert to fraction form
    75,894/163,269 = 163,269/x
  3. Step 3: Cross multiply
    75,894x = 163,269 × 163,269
  4. Step 4: Simplify right side
    75,894x = 26,656,766,361
  5. Step 5: Solve for x
    x = 26,656,766,361/75,894
  6. Step 6: Final answer
    x = 351,236.81

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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.