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Finding the Third Proportional to 3,377 and 4,809.50

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Solution

The third proportional to 3,377 and 4,809.50 is: 6,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377 : 4,809.50 = 4,809.50 : x
  2. Step 2: Convert to fraction form
    3,377/4,809.50 = 4,809.50/x
  3. Step 3: Cross multiply
    3,377x = 4,809.50 × 4,809.50
  4. Step 4: Simplify right side
    3,377x = 23,131,290.25
  5. Step 5: Solve for x
    x = 23,131,290.25/3,377
  6. Step 6: Final answer
    x = 6,849.66

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.