Home / 9,693-12,879

Finding the Third Proportional to 9,693 and 12,879

Calculator

Solution

The third proportional to 9,693 and 12,879 is: 17,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693 : 12,879 = 12,879 : x
  2. Step 2: Convert to fraction form
    9,693/12,879 = 12,879/x
  3. Step 3: Cross multiply
    9,693x = 12,879 × 12,879
  4. Step 4: Simplify right side
    9,693x = 165,868,641
  5. Step 5: Solve for x
    x = 165,868,641/9,693
  6. Step 6: Final answer
    x = 17,112.21

Related Problems

Find third proportional to 4,846.50 and 6,439.50
Half scale
Find third proportional to 19,386 and 25,758
Double scale
Find third proportional to 9,695 and 12,882
Similar ratio
Find third proportional to 14,539.50 and 19,318.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.