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Finding the Third Proportional to 55,057 and 120,104

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Solution

The third proportional to 55,057 and 120,104 is: 262,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057 : 120,104 = 120,104 : x
  2. Step 2: Convert to fraction form
    55,057/120,104 = 120,104/x
  3. Step 3: Cross multiply
    55,057x = 120,104 × 120,104
  4. Step 4: Simplify right side
    55,057x = 14,424,970,816
  5. Step 5: Solve for x
    x = 14,424,970,816/55,057
  6. Step 6: Final answer
    x = 262,000.67

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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.