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Finding the Third Proportional to 74,376 and 104,268

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Solution

The third proportional to 74,376 and 104,268 is: 146,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,376 : 104,268 = 104,268 : x
  2. Step 2: Convert to fraction form
    74,376/104,268 = 104,268/x
  3. Step 3: Cross multiply
    74,376x = 104,268 × 104,268
  4. Step 4: Simplify right side
    74,376x = 10,871,815,824
  5. Step 5: Solve for x
    x = 10,871,815,824/74,376
  6. Step 6: Final answer
    x = 146,173.71

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.