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Finding the Third Proportional to 79,551.75 and 171,557.25

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Solution

The third proportional to 79,551.75 and 171,557.25 is: 369,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,551.75 : 171,557.25 = 171,557.25 : x
  2. Step 2: Convert to fraction form
    79,551.75/171,557.25 = 171,557.25/x
  3. Step 3: Cross multiply
    79,551.75x = 171,557.25 × 171,557.25
  4. Step 4: Simplify right side
    79,551.75x = 29,431,890,027.56
  5. Step 5: Solve for x
    x = 29,431,890,027.56/79,551.75
  6. Step 6: Final answer
    x = 369,971.62

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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.