Home / 12,000-15,760

Finding the Third Proportional to 12,000 and 15,760

Calculator

Solution

The third proportional to 12,000 and 15,760 is: 20,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000 : 15,760 = 15,760 : x
  2. Step 2: Convert to fraction form
    12,000/15,760 = 15,760/x
  3. Step 3: Cross multiply
    12,000x = 15,760 × 15,760
  4. Step 4: Simplify right side
    12,000x = 248,377,600
  5. Step 5: Solve for x
    x = 248,377,600/12,000
  6. Step 6: Final answer
    x = 20,698.13

Related Problems

Find third proportional to 6,000 and 7,880
Half scale
Find third proportional to 24,000 and 31,520
Double scale
Find third proportional to 12,002 and 15,763
Similar ratio
Find third proportional to 18,000 and 23,640
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.