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Finding the Third Proportional to 467.50 and 698

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Solution

The third proportional to 467.50 and 698 is: 1,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.50 : 698 = 698 : x
  2. Step 2: Convert to fraction form
    467.50/698 = 698/x
  3. Step 3: Cross multiply
    467.50x = 698 × 698
  4. Step 4: Simplify right side
    467.50x = 487,204
  5. Step 5: Solve for x
    x = 487,204/467.50
  6. Step 6: Final answer
    x = 1,042.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.