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Finding the Third Proportional to 79,533.56 and 171,520.88

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Solution

The third proportional to 79,533.56 and 171,520.88 is: 369,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,533.56 : 171,520.88 = 171,520.88 : x
  2. Step 2: Convert to fraction form
    79,533.56/171,520.88 = 171,520.88/x
  3. Step 3: Cross multiply
    79,533.56x = 171,520.88 × 171,520.88
  4. Step 4: Simplify right side
    79,533.56x = 29,419,410,560.77
  5. Step 5: Solve for x
    x = 29,419,410,560.77/79,533.56
  6. Step 6: Final answer
    x = 369,899.32

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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.