Home / 840,922-1,321,649

Finding the Third Proportional to 840,922 and 1,321,649

Calculator

Solution

The third proportional to 840,922 and 1,321,649 is: 2,077,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,922 : 1,321,649 = 1,321,649 : x
  2. Step 2: Convert to fraction form
    840,922/1,321,649 = 1,321,649/x
  3. Step 3: Cross multiply
    840,922x = 1,321,649 × 1,321,649
  4. Step 4: Simplify right side
    840,922x = 1,746,756,079,201
  5. Step 5: Solve for x
    x = 1,746,756,079,201/840,922
  6. Step 6: Final answer
    x = 2,077,191.56

Related Problems

Find third proportional to 420,461 and 660,824.50
Half scale
Find third proportional to 1,681,844 and 2,643,298
Double scale
Find third proportional to 840,924 and 1,321,652
Similar ratio
Find third proportional to 1,261,383 and 1,982,473.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.