Home / 7,668-11,910

Finding the Third Proportional to 7,668 and 11,910

Calculator

Solution

The third proportional to 7,668 and 11,910 is: 18,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668 : 11,910 = 11,910 : x
  2. Step 2: Convert to fraction form
    7,668/11,910 = 11,910/x
  3. Step 3: Cross multiply
    7,668x = 11,910 × 11,910
  4. Step 4: Simplify right side
    7,668x = 141,848,100
  5. Step 5: Solve for x
    x = 141,848,100/7,668
  6. Step 6: Final answer
    x = 18,498.71

Related Problems

Find third proportional to 3,834 and 5,955
Half scale
Find third proportional to 15,336 and 23,820
Double scale
Find third proportional to 7,670 and 11,913
Similar ratio
Find third proportional to 11,502 and 17,865
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.