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Finding the Third Proportional to 441.88 and 649.88

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Solution

The third proportional to 441.88 and 649.88 is: 955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.88 : 649.88 = 649.88 : x
  2. Step 2: Convert to fraction form
    441.88/649.88 = 649.88/x
  3. Step 3: Cross multiply
    441.88x = 649.88 × 649.88
  4. Step 4: Simplify right side
    441.88x = 422,337.52
  5. Step 5: Solve for x
    x = 422,337.52/441.88
  6. Step 6: Final answer
    x = 955.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.