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Finding the Third Proportional to 76,646 and 164,956

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Solution

The third proportional to 76,646 and 164,956 is: 355,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,646 : 164,956 = 164,956 : x
  2. Step 2: Convert to fraction form
    76,646/164,956 = 164,956/x
  3. Step 3: Cross multiply
    76,646x = 164,956 × 164,956
  4. Step 4: Simplify right side
    76,646x = 27,210,481,936
  5. Step 5: Solve for x
    x = 27,210,481,936/76,646
  6. Step 6: Final answer
    x = 355,015.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.