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Finding the Third Proportional to 436.13 and 958.75

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Solution

The third proportional to 436.13 and 958.75 is: 2,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.13 : 958.75 = 958.75 : x
  2. Step 2: Convert to fraction form
    436.13/958.75 = 958.75/x
  3. Step 3: Cross multiply
    436.13x = 958.75 × 958.75
  4. Step 4: Simplify right side
    436.13x = 919,201.56
  5. Step 5: Solve for x
    x = 919,201.56/436.13
  6. Step 6: Final answer
    x = 2,107.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.