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Finding the Third Proportional to 132,434 and 289,626

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Solution

The third proportional to 132,434 and 289,626 is: 633,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,434 : 289,626 = 289,626 : x
  2. Step 2: Convert to fraction form
    132,434/289,626 = 289,626/x
  3. Step 3: Cross multiply
    132,434x = 289,626 × 289,626
  4. Step 4: Simplify right side
    132,434x = 83,883,219,876
  5. Step 5: Solve for x
    x = 83,883,219,876/132,434
  6. Step 6: Final answer
    x = 633,396.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.