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Finding the Third Proportional to 1,954 and 2,706.50

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Solution

The third proportional to 1,954 and 2,706.50 is: 3,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954 : 2,706.50 = 2,706.50 : x
  2. Step 2: Convert to fraction form
    1,954/2,706.50 = 2,706.50/x
  3. Step 3: Cross multiply
    1,954x = 2,706.50 × 2,706.50
  4. Step 4: Simplify right side
    1,954x = 7,325,142.25
  5. Step 5: Solve for x
    x = 7,325,142.25/1,954
  6. Step 6: Final answer
    x = 3,748.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.