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Finding the Third Proportional to 298.94 and 461.75

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Solution

The third proportional to 298.94 and 461.75 is: 713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.94 : 461.75 = 461.75 : x
  2. Step 2: Convert to fraction form
    298.94/461.75 = 461.75/x
  3. Step 3: Cross multiply
    298.94x = 461.75 × 461.75
  4. Step 4: Simplify right side
    298.94x = 213,213.06
  5. Step 5: Solve for x
    x = 213,213.06/298.94
  6. Step 6: Final answer
    x = 713.24

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.