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Finding the Third Proportional to 36,434 and 78,608

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Solution

The third proportional to 36,434 and 78,608 is: 169,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434 : 78,608 = 78,608 : x
  2. Step 2: Convert to fraction form
    36,434/78,608 = 78,608/x
  3. Step 3: Cross multiply
    36,434x = 78,608 × 78,608
  4. Step 4: Simplify right side
    36,434x = 6,179,217,664
  5. Step 5: Solve for x
    x = 6,179,217,664/36,434
  6. Step 6: Final answer
    x = 169,600.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.