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Finding the Third Proportional to 1,729 and 3,377

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Solution

The third proportional to 1,729 and 3,377 is: 6,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729 : 3,377 = 3,377 : x
  2. Step 2: Convert to fraction form
    1,729/3,377 = 3,377/x
  3. Step 3: Cross multiply
    1,729x = 3,377 × 3,377
  4. Step 4: Simplify right side
    1,729x = 11,404,129
  5. Step 5: Solve for x
    x = 11,404,129/1,729
  6. Step 6: Final answer
    x = 6,595.79

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.