Home / 245,182-378,857

Finding the Third Proportional to 245,182 and 378,857

Calculator

Solution

The third proportional to 245,182 and 378,857 is: 585,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,182 : 378,857 = 378,857 : x
  2. Step 2: Convert to fraction form
    245,182/378,857 = 378,857/x
  3. Step 3: Cross multiply
    245,182x = 378,857 × 378,857
  4. Step 4: Simplify right side
    245,182x = 143,532,626,449
  5. Step 5: Solve for x
    x = 143,532,626,449/245,182
  6. Step 6: Final answer
    x = 585,412.58

Related Problems

Find third proportional to 122,591 and 189,428.50
Half scale
Find third proportional to 490,364 and 757,714
Double scale
Find third proportional to 245,184 and 378,860
Similar ratio
Find third proportional to 367,773 and 568,285.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.