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Finding the Third Proportional to 55,441 and 85,349

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Solution

The third proportional to 55,441 and 85,349 is: 131,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441 : 85,349 = 85,349 : x
  2. Step 2: Convert to fraction form
    55,441/85,349 = 85,349/x
  3. Step 3: Cross multiply
    55,441x = 85,349 × 85,349
  4. Step 4: Simplify right side
    55,441x = 7,284,451,801
  5. Step 5: Solve for x
    x = 7,284,451,801/55,441
  6. Step 6: Final answer
    x = 131,391.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.