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Finding the Third Proportional to 36,029 and 78,619

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Solution

The third proportional to 36,029 and 78,619 is: 171,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029 : 78,619 = 78,619 : x
  2. Step 2: Convert to fraction form
    36,029/78,619 = 78,619/x
  3. Step 3: Cross multiply
    36,029x = 78,619 × 78,619
  4. Step 4: Simplify right side
    36,029x = 6,180,947,161
  5. Step 5: Solve for x
    x = 6,180,947,161/36,029
  6. Step 6: Final answer
    x = 171,554.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.