Home / 855.50-1,838

Finding the Third Proportional to 855.50 and 1,838

Calculator

Solution

The third proportional to 855.50 and 1,838 is: 3,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    855.50 : 1,838 = 1,838 : x
  2. Step 2: Convert to fraction form
    855.50/1,838 = 1,838/x
  3. Step 3: Cross multiply
    855.50x = 1,838 × 1,838
  4. Step 4: Simplify right side
    855.50x = 3,378,244
  5. Step 5: Solve for x
    x = 3,378,244/855.50
  6. Step 6: Final answer
    x = 3,948.85

Related Problems

Find third proportional to 427.75 and 919
Half scale
Find third proportional to 1,711 and 3,676
Double scale
Find third proportional to 858 and 1,842
Similar ratio
Find third proportional to 1,283.25 and 2,757
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.