Home / 18,438-28,474

Finding the Third Proportional to 18,438 and 28,474

Calculator

Solution

The third proportional to 18,438 and 28,474 is: 43,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438 : 28,474 = 28,474 : x
  2. Step 2: Convert to fraction form
    18,438/28,474 = 28,474/x
  3. Step 3: Cross multiply
    18,438x = 28,474 × 28,474
  4. Step 4: Simplify right side
    18,438x = 810,768,676
  5. Step 5: Solve for x
    x = 810,768,676/18,438
  6. Step 6: Final answer
    x = 43,972.70

Related Problems

Find third proportional to 9,219 and 14,237
Half scale
Find third proportional to 36,876 and 56,948
Double scale
Find third proportional to 18,440 and 28,477
Similar ratio
Find third proportional to 27,657 and 42,711
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.