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Finding the Third Proportional to 136,784 and 204,629

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Solution

The third proportional to 136,784 and 204,629 is: 306,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,784 : 204,629 = 204,629 : x
  2. Step 2: Convert to fraction form
    136,784/204,629 = 204,629/x
  3. Step 3: Cross multiply
    136,784x = 204,629 × 204,629
  4. Step 4: Simplify right side
    136,784x = 41,873,027,641
  5. Step 5: Solve for x
    x = 41,873,027,641/136,784
  6. Step 6: Final answer
    x = 306,125.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.