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Finding the Third Proportional to 3,278 and 5,788

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Solution

The third proportional to 3,278 and 5,788 is: 10,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278 : 5,788 = 5,788 : x
  2. Step 2: Convert to fraction form
    3,278/5,788 = 5,788/x
  3. Step 3: Cross multiply
    3,278x = 5,788 × 5,788
  4. Step 4: Simplify right side
    3,278x = 33,500,944
  5. Step 5: Solve for x
    x = 33,500,944/3,278
  6. Step 6: Final answer
    x = 10,219.93

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.