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Finding the Third Proportional to 943 and 1,858

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Solution

The third proportional to 943 and 1,858 is: 3,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    943 : 1,858 = 1,858 : x
  2. Step 2: Convert to fraction form
    943/1,858 = 1,858/x
  3. Step 3: Cross multiply
    943x = 1,858 × 1,858
  4. Step 4: Simplify right side
    943x = 3,452,164
  5. Step 5: Solve for x
    x = 3,452,164/943
  6. Step 6: Final answer
    x = 3,660.83

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.