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Finding the Third Proportional to 332 and 698.50

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Solution

The third proportional to 332 and 698.50 is: 1,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    332 : 698.50 = 698.50 : x
  2. Step 2: Convert to fraction form
    332/698.50 = 698.50/x
  3. Step 3: Cross multiply
    332x = 698.50 × 698.50
  4. Step 4: Simplify right side
    332x = 487,902.25
  5. Step 5: Solve for x
    x = 487,902.25/332
  6. Step 6: Final answer
    x = 1,469.59

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.