Home / 149,398-321,452

Finding the Third Proportional to 149,398 and 321,452

Calculator

Solution

The third proportional to 149,398 and 321,452 is: 691,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,398 : 321,452 = 321,452 : x
  2. Step 2: Convert to fraction form
    149,398/321,452 = 321,452/x
  3. Step 3: Cross multiply
    149,398x = 321,452 × 321,452
  4. Step 4: Simplify right side
    149,398x = 103,331,388,304
  5. Step 5: Solve for x
    x = 103,331,388,304/149,398
  6. Step 6: Final answer
    x = 691,651.75

Related Problems

Find third proportional to 74,699 and 160,726
Half scale
Find third proportional to 298,796 and 642,904
Double scale
Find third proportional to 149,400 and 321,456
Similar ratio
Find third proportional to 224,097 and 482,178
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.