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Finding the Third Proportional to 3,079.69 and 6,319.69

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Solution

The third proportional to 3,079.69 and 6,319.69 is: 12,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.69 : 6,319.69 = 6,319.69 : x
  2. Step 2: Convert to fraction form
    3,079.69/6,319.69 = 6,319.69/x
  3. Step 3: Cross multiply
    3,079.69x = 6,319.69 × 6,319.69
  4. Step 4: Simplify right side
    3,079.69x = 39,938,450.10
  5. Step 5: Solve for x
    x = 39,938,450.10/3,079.69
  6. Step 6: Final answer
    x = 12,968.35

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.