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Finding the Third Proportional to 204,372 and 437,172

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Solution

The third proportional to 204,372 and 437,172 is: 935,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,372 : 437,172 = 437,172 : x
  2. Step 2: Convert to fraction form
    204,372/437,172 = 437,172/x
  3. Step 3: Cross multiply
    204,372x = 437,172 × 437,172
  4. Step 4: Simplify right side
    204,372x = 191,119,357,584
  5. Step 5: Solve for x
    x = 191,119,357,584/204,372
  6. Step 6: Final answer
    x = 935,154.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.