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Finding the Third Proportional to 132,158 and 212,794

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Solution

The third proportional to 132,158 and 212,794 is: 342,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,158 : 212,794 = 212,794 : x
  2. Step 2: Convert to fraction form
    132,158/212,794 = 212,794/x
  3. Step 3: Cross multiply
    132,158x = 212,794 × 212,794
  4. Step 4: Simplify right side
    132,158x = 45,281,286,436
  5. Step 5: Solve for x
    x = 45,281,286,436/132,158
  6. Step 6: Final answer
    x = 342,629.93

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.