Home / 189,198-290,898

Finding the Third Proportional to 189,198 and 290,898

Calculator

Solution

The third proportional to 189,198 and 290,898 is: 447,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198 : 290,898 = 290,898 : x
  2. Step 2: Convert to fraction form
    189,198/290,898 = 290,898/x
  3. Step 3: Cross multiply
    189,198x = 290,898 × 290,898
  4. Step 4: Simplify right side
    189,198x = 84,621,646,404
  5. Step 5: Solve for x
    x = 84,621,646,404/189,198
  6. Step 6: Final answer
    x = 447,265.02

Related Problems

Find third proportional to 94,599 and 145,449
Half scale
Find third proportional to 378,396 and 581,796
Double scale
Find third proportional to 189,200 and 290,901
Similar ratio
Find third proportional to 283,797 and 436,347
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.