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Finding the Third Proportional to 76,279.22 and 159,529.50

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Solution

The third proportional to 76,279.22 and 159,529.50 is: 333,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,279.22 : 159,529.50 = 159,529.50 : x
  2. Step 2: Convert to fraction form
    76,279.22/159,529.50 = 159,529.50/x
  3. Step 3: Cross multiply
    76,279.22x = 159,529.50 × 159,529.50
  4. Step 4: Simplify right side
    76,279.22x = 25,449,661,370.25
  5. Step 5: Solve for x
    x = 25,449,661,370.25/76,279.22
  6. Step 6: Final answer
    x = 333,638.20

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.