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Finding the Third Proportional to 132,198 and 189,453

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Solution

The third proportional to 132,198 and 189,453 is: 271,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,198 : 189,453 = 189,453 : x
  2. Step 2: Convert to fraction form
    132,198/189,453 = 189,453/x
  3. Step 3: Cross multiply
    132,198x = 189,453 × 189,453
  4. Step 4: Simplify right side
    132,198x = 35,892,439,209
  5. Step 5: Solve for x
    x = 35,892,439,209/132,198
  6. Step 6: Final answer
    x = 271,505.16

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.