Home / 853.45-1,324.69

Finding the Third Proportional to 853.45 and 1,324.69

Calculator

Solution

The third proportional to 853.45 and 1,324.69 is: 2,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    853.45 : 1,324.69 = 1,324.69 : x
  2. Step 2: Convert to fraction form
    853.45/1,324.69 = 1,324.69/x
  3. Step 3: Cross multiply
    853.45x = 1,324.69 × 1,324.69
  4. Step 4: Simplify right side
    853.45x = 1,754,796.97
  5. Step 5: Solve for x
    x = 1,754,796.97/853.45
  6. Step 6: Final answer
    x = 2,056.11

Related Problems

Find third proportional to 426.73 and 662.34
Half scale
Find third proportional to 1,706.91 and 2,649.38
Double scale
Find third proportional to 855 and 1,328
Similar ratio
Find third proportional to 1,280.18 and 1,987.03
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.