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Finding the Third Proportional to 57,965 and 122,157

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Solution

The third proportional to 57,965 and 122,157 is: 257,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965 : 122,157 = 122,157 : x
  2. Step 2: Convert to fraction form
    57,965/122,157 = 122,157/x
  3. Step 3: Cross multiply
    57,965x = 122,157 × 122,157
  4. Step 4: Simplify right side
    57,965x = 14,922,332,649
  5. Step 5: Solve for x
    x = 14,922,332,649/57,965
  6. Step 6: Final answer
    x = 257,436.95

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.