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Finding the Third Proportional to 994.50 and 1,964.50

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Solution

The third proportional to 994.50 and 1,964.50 is: 3,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.50 : 1,964.50 = 1,964.50 : x
  2. Step 2: Convert to fraction form
    994.50/1,964.50 = 1,964.50/x
  3. Step 3: Cross multiply
    994.50x = 1,964.50 × 1,964.50
  4. Step 4: Simplify right side
    994.50x = 3,859,260.25
  5. Step 5: Solve for x
    x = 3,859,260.25/994.50
  6. Step 6: Final answer
    x = 3,880.60

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.