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Finding the Third Proportional to 78,248 and 166,192

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Solution

The third proportional to 78,248 and 166,192 is: 352,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,248 : 166,192 = 166,192 : x
  2. Step 2: Convert to fraction form
    78,248/166,192 = 166,192/x
  3. Step 3: Cross multiply
    78,248x = 166,192 × 166,192
  4. Step 4: Simplify right side
    78,248x = 27,619,780,864
  5. Step 5: Solve for x
    x = 27,619,780,864/78,248
  6. Step 6: Final answer
    x = 352,977.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.