Home / 12,726-13,806

Finding the Third Proportional to 12,726 and 13,806

Calculator

Solution

The third proportional to 12,726 and 13,806 is: 14,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726 : 13,806 = 13,806 : x
  2. Step 2: Convert to fraction form
    12,726/13,806 = 13,806/x
  3. Step 3: Cross multiply
    12,726x = 13,806 × 13,806
  4. Step 4: Simplify right side
    12,726x = 190,605,636
  5. Step 5: Solve for x
    x = 190,605,636/12,726
  6. Step 6: Final answer
    x = 14,977.65

Related Problems

Find third proportional to 6,363 and 6,903
Half scale
Find third proportional to 25,452 and 27,612
Double scale
Find third proportional to 12,728 and 13,808
Similar ratio
Find third proportional to 19,089 and 20,709
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.