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Finding the Third Proportional to 38,858 and 86,523

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Solution

The third proportional to 38,858 and 86,523 is: 192,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858 : 86,523 = 86,523 : x
  2. Step 2: Convert to fraction form
    38,858/86,523 = 86,523/x
  3. Step 3: Cross multiply
    38,858x = 86,523 × 86,523
  4. Step 4: Simplify right side
    38,858x = 7,486,229,529
  5. Step 5: Solve for x
    x = 7,486,229,529/38,858
  6. Step 6: Final answer
    x = 192,656.07

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.