Home / 290,832-615,198

Finding the Third Proportional to 290,832 and 615,198

Calculator

Solution

The third proportional to 290,832 and 615,198 is: 1,301,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,832 : 615,198 = 615,198 : x
  2. Step 2: Convert to fraction form
    290,832/615,198 = 615,198/x
  3. Step 3: Cross multiply
    290,832x = 615,198 × 615,198
  4. Step 4: Simplify right side
    290,832x = 378,468,579,204
  5. Step 5: Solve for x
    x = 378,468,579,204/290,832
  6. Step 6: Final answer
    x = 1,301,330.59

Related Problems

Find third proportional to 145,416 and 307,599
Half scale
Find third proportional to 581,664 and 1,230,396
Double scale
Find third proportional to 290,834 and 615,202
Similar ratio
Find third proportional to 436,248 and 922,797
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.