Home / 800,409-1,220,944.50

Finding the Third Proportional to 800,409 and 1,220,944.50

Calculator

Solution

The third proportional to 800,409 and 1,220,944.50 is: 1,862,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,409 : 1,220,944.50 = 1,220,944.50 : x
  2. Step 2: Convert to fraction form
    800,409/1,220,944.50 = 1,220,944.50/x
  3. Step 3: Cross multiply
    800,409x = 1,220,944.50 × 1,220,944.50
  4. Step 4: Simplify right side
    800,409x = 1,490,705,472,080.25
  5. Step 5: Solve for x
    x = 1,490,705,472,080.25/800,409
  6. Step 6: Final answer
    x = 1,862,429.67

Related Problems

Find third proportional to 400,204.50 and 610,472.25
Half scale
Find third proportional to 1,600,818 and 2,441,889
Double scale
Find third proportional to 800,411 and 1,220,948
Similar ratio
Find third proportional to 1,200,613.50 and 1,831,416.75
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.