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Finding the Third Proportional to 64,928 and 134,848

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Solution

The third proportional to 64,928 and 134,848 is: 280,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,928 : 134,848 = 134,848 : x
  2. Step 2: Convert to fraction form
    64,928/134,848 = 134,848/x
  3. Step 3: Cross multiply
    64,928x = 134,848 × 134,848
  4. Step 4: Simplify right side
    64,928x = 18,183,983,104
  5. Step 5: Solve for x
    x = 18,183,983,104/64,928
  6. Step 6: Final answer
    x = 280,063.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.