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Finding the Third Proportional to 415.13 and 961.88

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Solution

The third proportional to 415.13 and 961.88 is: 2,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.13 : 961.88 = 961.88 : x
  2. Step 2: Convert to fraction form
    415.13/961.88 = 961.88/x
  3. Step 3: Cross multiply
    415.13x = 961.88 × 961.88
  4. Step 4: Simplify right side
    415.13x = 925,203.52
  5. Step 5: Solve for x
    x = 925,203.52/415.13
  6. Step 6: Final answer
    x = 2,228.73

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.