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Finding the Third Proportional to 206,122.50 and 437,517

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Solution

The third proportional to 206,122.50 and 437,517 is: 928,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,122.50 : 437,517 = 437,517 : x
  2. Step 2: Convert to fraction form
    206,122.50/437,517 = 437,517/x
  3. Step 3: Cross multiply
    206,122.50x = 437,517 × 437,517
  4. Step 4: Simplify right side
    206,122.50x = 191,421,125,289
  5. Step 5: Solve for x
    x = 191,421,125,289/206,122.50
  6. Step 6: Final answer
    x = 928,676.52

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.