Home / 8,142-11,928

Finding the Third Proportional to 8,142 and 11,928

Calculator

Solution

The third proportional to 8,142 and 11,928 is: 17,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142 : 11,928 = 11,928 : x
  2. Step 2: Convert to fraction form
    8,142/11,928 = 11,928/x
  3. Step 3: Cross multiply
    8,142x = 11,928 × 11,928
  4. Step 4: Simplify right side
    8,142x = 142,277,184
  5. Step 5: Solve for x
    x = 142,277,184/8,142
  6. Step 6: Final answer
    x = 17,474.48

Related Problems

Find third proportional to 4,071 and 5,964
Half scale
Find third proportional to 16,284 and 23,856
Double scale
Find third proportional to 8,144 and 11,931
Similar ratio
Find third proportional to 12,213 and 17,892
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.