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Finding the Third Proportional to 303,438 and 437,092

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Solution

The third proportional to 303,438 and 437,092 is: 629,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,438 : 437,092 = 437,092 : x
  2. Step 2: Convert to fraction form
    303,438/437,092 = 437,092/x
  3. Step 3: Cross multiply
    303,438x = 437,092 × 437,092
  4. Step 4: Simplify right side
    303,438x = 191,049,416,464
  5. Step 5: Solve for x
    x = 191,049,416,464/303,438
  6. Step 6: Final answer
    x = 629,615.99

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.