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Finding the Third Proportional to 35,409 and 76,626

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Solution

The third proportional to 35,409 and 76,626 is: 165,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409 : 76,626 = 76,626 : x
  2. Step 2: Convert to fraction form
    35,409/76,626 = 76,626/x
  3. Step 3: Cross multiply
    35,409x = 76,626 × 76,626
  4. Step 4: Simplify right side
    35,409x = 5,871,543,876
  5. Step 5: Solve for x
    x = 5,871,543,876/35,409
  6. Step 6: Final answer
    x = 165,820.66

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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.