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Finding the Third Proportional to 39,383 and 85,326

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Solution

The third proportional to 39,383 and 85,326 is: 184,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383 : 85,326 = 85,326 : x
  2. Step 2: Convert to fraction form
    39,383/85,326 = 85,326/x
  3. Step 3: Cross multiply
    39,383x = 85,326 × 85,326
  4. Step 4: Simplify right side
    39,383x = 7,280,526,276
  5. Step 5: Solve for x
    x = 7,280,526,276/39,383
  6. Step 6: Final answer
    x = 184,864.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.