Home / 11,880-15,426

Finding the Third Proportional to 11,880 and 15,426

Calculator

Solution

The third proportional to 11,880 and 15,426 is: 20,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880 : 15,426 = 15,426 : x
  2. Step 2: Convert to fraction form
    11,880/15,426 = 15,426/x
  3. Step 3: Cross multiply
    11,880x = 15,426 × 15,426
  4. Step 4: Simplify right side
    11,880x = 237,961,476
  5. Step 5: Solve for x
    x = 237,961,476/11,880
  6. Step 6: Final answer
    x = 20,030.43

Related Problems

Find third proportional to 5,940 and 7,713
Half scale
Find third proportional to 23,760 and 30,852
Double scale
Find third proportional to 11,882 and 15,429
Similar ratio
Find third proportional to 17,820 and 23,139
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.