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Finding the Third Proportional to 164,168 and 354,256

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Solution

The third proportional to 164,168 and 354,256 is: 764,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,168 : 354,256 = 354,256 : x
  2. Step 2: Convert to fraction form
    164,168/354,256 = 354,256/x
  3. Step 3: Cross multiply
    164,168x = 354,256 × 354,256
  4. Step 4: Simplify right side
    164,168x = 125,497,313,536
  5. Step 5: Solve for x
    x = 125,497,313,536/164,168
  6. Step 6: Final answer
    x = 764,444.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.