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Finding the Third Proportional to 93,831 and 138,273.75

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Solution

The third proportional to 93,831 and 138,273.75 is: 203,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,831 : 138,273.75 = 138,273.75 : x
  2. Step 2: Convert to fraction form
    93,831/138,273.75 = 138,273.75/x
  3. Step 3: Cross multiply
    93,831x = 138,273.75 × 138,273.75
  4. Step 4: Simplify right side
    93,831x = 19,119,629,939.06
  5. Step 5: Solve for x
    x = 19,119,629,939.06/93,831
  6. Step 6: Final answer
    x = 203,766.66

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.