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Finding the Third Proportional to 36,173 and 78,383

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Solution

The third proportional to 36,173 and 78,383 is: 169,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,173 : 78,383 = 78,383 : x
  2. Step 2: Convert to fraction form
    36,173/78,383 = 78,383/x
  3. Step 3: Cross multiply
    36,173x = 78,383 × 78,383
  4. Step 4: Simplify right side
    36,173x = 6,143,894,689
  5. Step 5: Solve for x
    x = 6,143,894,689/36,173
  6. Step 6: Final answer
    x = 169,847.53

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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.