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Finding the Third Proportional to 79,539.75 and 171,533.25

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Solution

The third proportional to 79,539.75 and 171,533.25 is: 369,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,539.75 : 171,533.25 = 171,533.25 : x
  2. Step 2: Convert to fraction form
    79,539.75/171,533.25 = 171,533.25/x
  3. Step 3: Cross multiply
    79,539.75x = 171,533.25 × 171,533.25
  4. Step 4: Simplify right side
    79,539.75x = 29,423,655,855.56
  5. Step 5: Solve for x
    x = 29,423,655,855.56/79,539.75
  6. Step 6: Final answer
    x = 369,923.92

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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.