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Finding the Third Proportional to 212,876 and 327,304

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Solution

The third proportional to 212,876 and 327,304 is: 503,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,876 : 327,304 = 327,304 : x
  2. Step 2: Convert to fraction form
    212,876/327,304 = 327,304/x
  3. Step 3: Cross multiply
    212,876x = 327,304 × 327,304
  4. Step 4: Simplify right side
    212,876x = 107,127,908,416
  5. Step 5: Solve for x
    x = 107,127,908,416/212,876
  6. Step 6: Final answer
    x = 503,240.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.