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Finding the Third Proportional to 117,912.38 and 166,685.34

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Solution

The third proportional to 117,912.38 and 166,685.34 is: 235,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,912.38 : 166,685.34 = 166,685.34 : x
  2. Step 2: Convert to fraction form
    117,912.38/166,685.34 = 166,685.34/x
  3. Step 3: Cross multiply
    117,912.38x = 166,685.34 × 166,685.34
  4. Step 4: Simplify right side
    117,912.38x = 27,784,003,821.06
  5. Step 5: Solve for x
    x = 27,784,003,821.06/117,912.38
  6. Step 6: Final answer
    x = 235,632.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.