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Finding the Third Proportional to 928.13 and 1,441.69

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Solution

The third proportional to 928.13 and 1,441.69 is: 2,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    928.13 : 1,441.69 = 1,441.69 : x
  2. Step 2: Convert to fraction form
    928.13/1,441.69 = 1,441.69/x
  3. Step 3: Cross multiply
    928.13x = 1,441.69 × 1,441.69
  4. Step 4: Simplify right side
    928.13x = 2,078,462.85
  5. Step 5: Solve for x
    x = 2,078,462.85/928.13
  6. Step 6: Final answer
    x = 2,239.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.