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Finding the Third Proportional to 132,012 and 189,175

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Solution

The third proportional to 132,012 and 189,175 is: 271,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,012 : 189,175 = 189,175 : x
  2. Step 2: Convert to fraction form
    132,012/189,175 = 189,175/x
  3. Step 3: Cross multiply
    132,012x = 189,175 × 189,175
  4. Step 4: Simplify right side
    132,012x = 35,787,180,625
  5. Step 5: Solve for x
    x = 35,787,180,625/132,012
  6. Step 6: Final answer
    x = 271,090.36

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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.