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Finding the Third Proportional to 94,689 and 203,715

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Solution

The third proportional to 94,689 and 203,715 is: 438,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689 : 203,715 = 203,715 : x
  2. Step 2: Convert to fraction form
    94,689/203,715 = 203,715/x
  3. Step 3: Cross multiply
    94,689x = 203,715 × 203,715
  4. Step 4: Simplify right side
    94,689x = 41,499,801,225
  5. Step 5: Solve for x
    x = 41,499,801,225/94,689
  6. Step 6: Final answer
    x = 438,274.79

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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.