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Finding the Third Proportional to 63,189 and 136,170

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Solution

The third proportional to 63,189 and 136,170 is: 293,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,189 : 136,170 = 136,170 : x
  2. Step 2: Convert to fraction form
    63,189/136,170 = 136,170/x
  3. Step 3: Cross multiply
    63,189x = 136,170 × 136,170
  4. Step 4: Simplify right side
    63,189x = 18,542,268,900
  5. Step 5: Solve for x
    x = 18,542,268,900/63,189
  6. Step 6: Final answer
    x = 293,441.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.