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Finding the Third Proportional to 72,956.25 and 158,694.75

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Solution

The third proportional to 72,956.25 and 158,694.75 is: 345,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,956.25 : 158,694.75 = 158,694.75 : x
  2. Step 2: Convert to fraction form
    72,956.25/158,694.75 = 158,694.75/x
  3. Step 3: Cross multiply
    72,956.25x = 158,694.75 × 158,694.75
  4. Step 4: Simplify right side
    72,956.25x = 25,184,023,677.56
  5. Step 5: Solve for x
    x = 25,184,023,677.56/72,956.25
  6. Step 6: Final answer
    x = 345,193.51

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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.