Home / 12,676-18,940

Finding the Third Proportional to 12,676 and 18,940

Calculator

Solution

The third proportional to 12,676 and 18,940 is: 28,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676 : 18,940 = 18,940 : x
  2. Step 2: Convert to fraction form
    12,676/18,940 = 18,940/x
  3. Step 3: Cross multiply
    12,676x = 18,940 × 18,940
  4. Step 4: Simplify right side
    12,676x = 358,723,600
  5. Step 5: Solve for x
    x = 358,723,600/12,676
  6. Step 6: Final answer
    x = 28,299.43

Related Problems

Find third proportional to 6,338 and 9,470
Half scale
Find third proportional to 25,352 and 37,880
Double scale
Find third proportional to 12,678 and 18,943
Similar ratio
Find third proportional to 19,014 and 28,410
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.