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Finding the Third Proportional to 441.88 and 698.88

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Solution

The third proportional to 441.88 and 698.88 is: 1,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.88 : 698.88 = 698.88 : x
  2. Step 2: Convert to fraction form
    441.88/698.88 = 698.88/x
  3. Step 3: Cross multiply
    441.88x = 698.88 × 698.88
  4. Step 4: Simplify right side
    441.88x = 488,426.27
  5. Step 5: Solve for x
    x = 488,426.27/441.88
  6. Step 6: Final answer
    x = 1,105.35

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.