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Finding the Third Proportional to 39,326 and 85,564

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Solution

The third proportional to 39,326 and 85,564 is: 186,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,326 : 85,564 = 85,564 : x
  2. Step 2: Convert to fraction form
    39,326/85,564 = 85,564/x
  3. Step 3: Cross multiply
    39,326x = 85,564 × 85,564
  4. Step 4: Simplify right side
    39,326x = 7,321,198,096
  5. Step 5: Solve for x
    x = 7,321,198,096/39,326
  6. Step 6: Final answer
    x = 186,166.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.