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Finding the Third Proportional to 74,158 and 114,923

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Solution

The third proportional to 74,158 and 114,923 is: 178,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,158 : 114,923 = 114,923 : x
  2. Step 2: Convert to fraction form
    74,158/114,923 = 114,923/x
  3. Step 3: Cross multiply
    74,158x = 114,923 × 114,923
  4. Step 4: Simplify right side
    74,158x = 13,207,295,929
  5. Step 5: Solve for x
    x = 13,207,295,929/74,158
  6. Step 6: Final answer
    x = 178,096.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.