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Finding the Third Proportional to 55,646 and 115,172

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Solution

The third proportional to 55,646 and 115,172 is: 238,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646 : 115,172 = 115,172 : x
  2. Step 2: Convert to fraction form
    55,646/115,172 = 115,172/x
  3. Step 3: Cross multiply
    55,646x = 115,172 × 115,172
  4. Step 4: Simplify right side
    55,646x = 13,264,589,584
  5. Step 5: Solve for x
    x = 13,264,589,584/55,646
  6. Step 6: Final answer
    x = 238,374.54

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.