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Finding the Third Proportional to 57,975.75 and 122,172.75

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Solution

The third proportional to 57,975.75 and 122,172.75 is: 257,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,975.75 : 122,172.75 = 122,172.75 : x
  2. Step 2: Convert to fraction form
    57,975.75/122,172.75 = 122,172.75/x
  3. Step 3: Cross multiply
    57,975.75x = 122,172.75 × 122,172.75
  4. Step 4: Simplify right side
    57,975.75x = 14,926,180,842.56
  5. Step 5: Solve for x
    x = 14,926,180,842.56/57,975.75
  6. Step 6: Final answer
    x = 257,455.59

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.