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Finding the Third Proportional to 74,107 and 164,794

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Solution

The third proportional to 74,107 and 164,794 is: 366,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,107 : 164,794 = 164,794 : x
  2. Step 2: Convert to fraction form
    74,107/164,794 = 164,794/x
  3. Step 3: Cross multiply
    74,107x = 164,794 × 164,794
  4. Step 4: Simplify right side
    74,107x = 27,157,062,436
  5. Step 5: Solve for x
    x = 27,157,062,436/74,107
  6. Step 6: Final answer
    x = 366,457.45

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.