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Finding the Third Proportional to 35,561 and 76,809

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Solution

The third proportional to 35,561 and 76,809 is: 165,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561 : 76,809 = 76,809 : x
  2. Step 2: Convert to fraction form
    35,561/76,809 = 76,809/x
  3. Step 3: Cross multiply
    35,561x = 76,809 × 76,809
  4. Step 4: Simplify right side
    35,561x = 5,899,622,481
  5. Step 5: Solve for x
    x = 5,899,622,481/35,561
  6. Step 6: Final answer
    x = 165,901.48

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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.