Home / 13,478-20,734

Finding the Third Proportional to 13,478 and 20,734

Calculator

Solution

The third proportional to 13,478 and 20,734 is: 31,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478 : 20,734 = 20,734 : x
  2. Step 2: Convert to fraction form
    13,478/20,734 = 20,734/x
  3. Step 3: Cross multiply
    13,478x = 20,734 × 20,734
  4. Step 4: Simplify right side
    13,478x = 429,898,756
  5. Step 5: Solve for x
    x = 429,898,756/13,478
  6. Step 6: Final answer
    x = 31,896.33

Related Problems

Find third proportional to 6,739 and 10,367
Half scale
Find third proportional to 26,956 and 41,468
Double scale
Find third proportional to 13,480 and 20,737
Similar ratio
Find third proportional to 20,217 and 31,101
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.