Home / 20,518-29,338

Finding the Third Proportional to 20,518 and 29,338

Calculator

Solution

The third proportional to 20,518 and 29,338 is: 41,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518 : 29,338 = 29,338 : x
  2. Step 2: Convert to fraction form
    20,518/29,338 = 29,338/x
  3. Step 3: Cross multiply
    20,518x = 29,338 × 29,338
  4. Step 4: Simplify right side
    20,518x = 860,718,244
  5. Step 5: Solve for x
    x = 860,718,244/20,518
  6. Step 6: Final answer
    x = 41,949.42

Related Problems

Find third proportional to 10,259 and 14,669
Half scale
Find third proportional to 41,036 and 58,676
Double scale
Find third proportional to 20,520 and 29,341
Similar ratio
Find third proportional to 30,777 and 44,007
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.