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Finding the Third Proportional to 73,731.75 and 111,201.75

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Solution

The third proportional to 73,731.75 and 111,201.75 is: 167,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,731.75 : 111,201.75 = 111,201.75 : x
  2. Step 2: Convert to fraction form
    73,731.75/111,201.75 = 111,201.75/x
  3. Step 3: Cross multiply
    73,731.75x = 111,201.75 × 111,201.75
  4. Step 4: Simplify right side
    73,731.75x = 12,365,829,203.06
  5. Step 5: Solve for x
    x = 12,365,829,203.06/73,731.75
  6. Step 6: Final answer
    x = 167,713.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.