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Finding the Third Proportional to 121,074.75 and 166,201.88

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Solution

The third proportional to 121,074.75 and 166,201.88 is: 228,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,074.75 : 166,201.88 = 166,201.88 : x
  2. Step 2: Convert to fraction form
    121,074.75/166,201.88 = 166,201.88/x
  3. Step 3: Cross multiply
    121,074.75x = 166,201.88 × 166,201.88
  4. Step 4: Simplify right side
    121,074.75x = 27,623,063,253.52
  5. Step 5: Solve for x
    x = 27,623,063,253.52/121,074.75
  6. Step 6: Final answer
    x = 228,148.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.