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Finding the Third Proportional to 57,963 and 120,930

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Solution

The third proportional to 57,963 and 120,930 is: 252,300

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963 : 120,930 = 120,930 : x
  2. Step 2: Convert to fraction form
    57,963/120,930 = 120,930/x
  3. Step 3: Cross multiply
    57,963x = 120,930 × 120,930
  4. Step 4: Simplify right side
    57,963x = 14,624,064,900
  5. Step 5: Solve for x
    x = 14,624,064,900/57,963
  6. Step 6: Final answer
    x = 252,300

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.