Home / 844-1,820

Finding the Third Proportional to 844 and 1,820

Calculator

Solution

The third proportional to 844 and 1,820 is: 3,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    844 : 1,820 = 1,820 : x
  2. Step 2: Convert to fraction form
    844/1,820 = 1,820/x
  3. Step 3: Cross multiply
    844x = 1,820 × 1,820
  4. Step 4: Simplify right side
    844x = 3,312,400
  5. Step 5: Solve for x
    x = 3,312,400/844
  6. Step 6: Final answer
    x = 3,924.64

Related Problems

Find third proportional to 422 and 910
Half scale
Find third proportional to 1,688 and 3,640
Double scale
Find third proportional to 846 and 1,824
Similar ratio
Find third proportional to 1,266 and 2,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.