Home / 512,622-789,012

Finding the Third Proportional to 512,622 and 789,012

Calculator

Solution

The third proportional to 512,622 and 789,012 is: 1,214,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,622 : 789,012 = 789,012 : x
  2. Step 2: Convert to fraction form
    512,622/789,012 = 789,012/x
  3. Step 3: Cross multiply
    512,622x = 789,012 × 789,012
  4. Step 4: Simplify right side
    512,622x = 622,539,936,144
  5. Step 5: Solve for x
    x = 622,539,936,144/512,622
  6. Step 6: Final answer
    x = 1,214,422.98

Related Problems

Find third proportional to 256,311 and 394,506
Half scale
Find third proportional to 1,025,244 and 1,578,024
Double scale
Find third proportional to 512,624 and 789,015
Similar ratio
Find third proportional to 768,933 and 1,183,518
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.