Home / 9,455-19,918

Finding the Third Proportional to 9,455 and 19,918

Calculator

Solution

The third proportional to 9,455 and 19,918 is: 41,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455 : 19,918 = 19,918 : x
  2. Step 2: Convert to fraction form
    9,455/19,918 = 19,918/x
  3. Step 3: Cross multiply
    9,455x = 19,918 × 19,918
  4. Step 4: Simplify right side
    9,455x = 396,726,724
  5. Step 5: Solve for x
    x = 396,726,724/9,455
  6. Step 6: Final answer
    x = 41,959.46

Related Problems

Find third proportional to 4,727.50 and 9,959
Half scale
Find third proportional to 18,910 and 39,836
Double scale
Find third proportional to 9,457 and 19,922
Similar ratio
Find third proportional to 14,182.50 and 29,877
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.