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Finding the Third Proportional to 169,422 and 368,355

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Solution

The third proportional to 169,422 and 368,355 is: 800,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,422 : 368,355 = 368,355 : x
  2. Step 2: Convert to fraction form
    169,422/368,355 = 368,355/x
  3. Step 3: Cross multiply
    169,422x = 368,355 × 368,355
  4. Step 4: Simplify right side
    169,422x = 135,685,406,025
  5. Step 5: Solve for x
    x = 135,685,406,025/169,422
  6. Step 6: Final answer
    x = 800,872.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.