Home / 378,422-569,230

Finding the Third Proportional to 378,422 and 569,230

Calculator

Solution

The third proportional to 378,422 and 569,230 is: 856,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,422 : 569,230 = 569,230 : x
  2. Step 2: Convert to fraction form
    378,422/569,230 = 569,230/x
  3. Step 3: Cross multiply
    378,422x = 569,230 × 569,230
  4. Step 4: Simplify right side
    378,422x = 324,022,792,900
  5. Step 5: Solve for x
    x = 324,022,792,900/378,422
  6. Step 6: Final answer
    x = 856,247.24

Related Problems

Find third proportional to 189,211 and 284,615
Half scale
Find third proportional to 756,844 and 1,138,460
Double scale
Find third proportional to 378,424 and 569,233
Similar ratio
Find third proportional to 567,633 and 853,845
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.