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Finding the Third Proportional to 956 and 1,898

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Solution

The third proportional to 956 and 1,898 is: 3,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    956 : 1,898 = 1,898 : x
  2. Step 2: Convert to fraction form
    956/1,898 = 1,898/x
  3. Step 3: Cross multiply
    956x = 1,898 × 1,898
  4. Step 4: Simplify right side
    956x = 3,602,404
  5. Step 5: Solve for x
    x = 3,602,404/956
  6. Step 6: Final answer
    x = 3,768.21

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Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.