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Finding the Third Proportional to 334.50 and 613.50

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Solution

The third proportional to 334.50 and 613.50 is: 1,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.50 : 613.50 = 613.50 : x
  2. Step 2: Convert to fraction form
    334.50/613.50 = 613.50/x
  3. Step 3: Cross multiply
    334.50x = 613.50 × 613.50
  4. Step 4: Simplify right side
    334.50x = 376,382.25
  5. Step 5: Solve for x
    x = 376,382.25/334.50
  6. Step 6: Final answer
    x = 1,125.21

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.