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Finding the Third Proportional to 203,670 and 437,436

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Solution

The third proportional to 203,670 and 437,436 is: 939,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,670 : 437,436 = 437,436 : x
  2. Step 2: Convert to fraction form
    203,670/437,436 = 437,436/x
  3. Step 3: Cross multiply
    203,670x = 437,436 × 437,436
  4. Step 4: Simplify right side
    203,670x = 191,350,254,096
  5. Step 5: Solve for x
    x = 191,350,254,096/203,670
  6. Step 6: Final answer
    x = 939,511.24

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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.