Home / 1,854-3,918

Finding the Third Proportional to 1,854 and 3,918

Calculator

Solution

The third proportional to 1,854 and 3,918 is: 8,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854 : 3,918 = 3,918 : x
  2. Step 2: Convert to fraction form
    1,854/3,918 = 3,918/x
  3. Step 3: Cross multiply
    1,854x = 3,918 × 3,918
  4. Step 4: Simplify right side
    1,854x = 15,350,724
  5. Step 5: Solve for x
    x = 15,350,724/1,854
  6. Step 6: Final answer
    x = 8,279.79

Related Problems

Find third proportional to 927 and 1,959
Half scale
Find third proportional to 3,708 and 7,836
Double scale
Find third proportional to 1,856 and 3,922
Similar ratio
Find third proportional to 2,781 and 5,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.