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Finding the Third Proportional to 944.50 and 1,917

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Solution

The third proportional to 944.50 and 1,917 is: 3,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.50 : 1,917 = 1,917 : x
  2. Step 2: Convert to fraction form
    944.50/1,917 = 1,917/x
  3. Step 3: Cross multiply
    944.50x = 1,917 × 1,917
  4. Step 4: Simplify right side
    944.50x = 3,674,889
  5. Step 5: Solve for x
    x = 3,674,889/944.50
  6. Step 6: Final answer
    x = 3,890.83

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.