Home / 416.25-855

Finding the Third Proportional to 416.25 and 855

Calculator

Solution

The third proportional to 416.25 and 855 is: 1,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.25 : 855 = 855 : x
  2. Step 2: Convert to fraction form
    416.25/855 = 855/x
  3. Step 3: Cross multiply
    416.25x = 855 × 855
  4. Step 4: Simplify right side
    416.25x = 731,025
  5. Step 5: Solve for x
    x = 731,025/416.25
  6. Step 6: Final answer
    x = 1,756.22

Related Problems

Find third proportional to 208.13 and 427.50
Half scale
Find third proportional to 832.50 and 1,710
Double scale
Find third proportional to 418 and 859
Similar ratio
Find third proportional to 624.38 and 1,282.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.