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Finding the Third Proportional to 78,252 and 166,200

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Solution

The third proportional to 78,252 and 166,200 is: 352,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,252 : 166,200 = 166,200 : x
  2. Step 2: Convert to fraction form
    78,252/166,200 = 166,200/x
  3. Step 3: Cross multiply
    78,252x = 166,200 × 166,200
  4. Step 4: Simplify right side
    78,252x = 27,622,440,000
  5. Step 5: Solve for x
    x = 27,622,440,000/78,252
  6. Step 6: Final answer
    x = 352,993.41

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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.