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Finding the Third Proportional to 66,161 and 156,054

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Solution

The third proportional to 66,161 and 156,054 is: 368,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161 : 156,054 = 156,054 : x
  2. Step 2: Convert to fraction form
    66,161/156,054 = 156,054/x
  3. Step 3: Cross multiply
    66,161x = 156,054 × 156,054
  4. Step 4: Simplify right side
    66,161x = 24,352,850,916
  5. Step 5: Solve for x
    x = 24,352,850,916/66,161
  6. Step 6: Final answer
    x = 368,084.69

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.