Home / 401,770-891,652

Finding the Third Proportional to 401,770 and 891,652

Calculator

Solution

The third proportional to 401,770 and 891,652 is: 1,978,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,770 : 891,652 = 891,652 : x
  2. Step 2: Convert to fraction form
    401,770/891,652 = 891,652/x
  3. Step 3: Cross multiply
    401,770x = 891,652 × 891,652
  4. Step 4: Simplify right side
    401,770x = 795,043,289,104
  5. Step 5: Solve for x
    x = 795,043,289,104/401,770
  6. Step 6: Final answer
    x = 1,978,851.80

Related Problems

Find third proportional to 200,885 and 445,826
Half scale
Find third proportional to 803,540 and 1,783,304
Double scale
Find third proportional to 401,772 and 891,656
Similar ratio
Find third proportional to 602,655 and 1,337,478
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.