Home / 18,148-19,422

Finding the Third Proportional to 18,148 and 19,422

Calculator

Solution

The third proportional to 18,148 and 19,422 is: 20,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148 : 19,422 = 19,422 : x
  2. Step 2: Convert to fraction form
    18,148/19,422 = 19,422/x
  3. Step 3: Cross multiply
    18,148x = 19,422 × 19,422
  4. Step 4: Simplify right side
    18,148x = 377,214,084
  5. Step 5: Solve for x
    x = 377,214,084/18,148
  6. Step 6: Final answer
    x = 20,785.44

Related Problems

Find third proportional to 9,074 and 9,711
Half scale
Find third proportional to 36,296 and 38,844
Double scale
Find third proportional to 18,150 and 19,424
Similar ratio
Find third proportional to 27,222 and 29,133
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.