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Finding the Third Proportional to 135,616 and 197,268

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Solution

The third proportional to 135,616 and 197,268 is: 286,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,616 : 197,268 = 197,268 : x
  2. Step 2: Convert to fraction form
    135,616/197,268 = 197,268/x
  3. Step 3: Cross multiply
    135,616x = 197,268 × 197,268
  4. Step 4: Simplify right side
    135,616x = 38,914,663,824
  5. Step 5: Solve for x
    x = 38,914,663,824/135,616
  6. Step 6: Final answer
    x = 286,947.44

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.