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Finding the Third Proportional to 120,957.75 and 262,617.75

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Solution

The third proportional to 120,957.75 and 262,617.75 is: 570,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,957.75 : 262,617.75 = 262,617.75 : x
  2. Step 2: Convert to fraction form
    120,957.75/262,617.75 = 262,617.75/x
  3. Step 3: Cross multiply
    120,957.75x = 262,617.75 × 262,617.75
  4. Step 4: Simplify right side
    120,957.75x = 68,968,082,615.06
  5. Step 5: Solve for x
    x = 68,968,082,615.06/120,957.75
  6. Step 6: Final answer
    x = 570,183.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.