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Finding the Third Proportional to 107,939.25 and 161,922.38

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Solution

The third proportional to 107,939.25 and 161,922.38 is: 242,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,939.25 : 161,922.38 = 161,922.38 : x
  2. Step 2: Convert to fraction form
    107,939.25/161,922.38 = 161,922.38/x
  3. Step 3: Cross multiply
    107,939.25x = 161,922.38 × 161,922.38
  4. Step 4: Simplify right side
    107,939.25x = 26,218,855,525.64
  5. Step 5: Solve for x
    x = 26,218,855,525.64/107,939.25
  6. Step 6: Final answer
    x = 242,903.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.