Home / 800,329-1,220,820

Finding the Third Proportional to 800,329 and 1,220,820

Calculator

Solution

The third proportional to 800,329 and 1,220,820 is: 1,862,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,329 : 1,220,820 = 1,220,820 : x
  2. Step 2: Convert to fraction form
    800,329/1,220,820 = 1,220,820/x
  3. Step 3: Cross multiply
    800,329x = 1,220,820 × 1,220,820
  4. Step 4: Simplify right side
    800,329x = 1,490,401,472,400
  5. Step 5: Solve for x
    x = 1,490,401,472,400/800,329
  6. Step 6: Final answer
    x = 1,862,236.00

Related Problems

Find third proportional to 400,164.50 and 610,410
Half scale
Find third proportional to 1,600,658 and 2,441,640
Double scale
Find third proportional to 800,331 and 1,220,823
Similar ratio
Find third proportional to 1,200,493.50 and 1,831,230
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.