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Finding the Third Proportional to 135,141 and 295,149

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Solution

The third proportional to 135,141 and 295,149 is: 644,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,141 : 295,149 = 295,149 : x
  2. Step 2: Convert to fraction form
    135,141/295,149 = 295,149/x
  3. Step 3: Cross multiply
    135,141x = 295,149 × 295,149
  4. Step 4: Simplify right side
    135,141x = 87,112,932,201
  5. Step 5: Solve for x
    x = 87,112,932,201/135,141
  6. Step 6: Final answer
    x = 644,607.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.