Home / 175,416-378,888

Finding the Third Proportional to 175,416 and 378,888

Calculator

Solution

The third proportional to 175,416 and 378,888 is: 818,375.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,416 : 378,888 = 378,888 : x
  2. Step 2: Convert to fraction form
    175,416/378,888 = 378,888/x
  3. Step 3: Cross multiply
    175,416x = 378,888 × 378,888
  4. Step 4: Simplify right side
    175,416x = 143,556,116,544
  5. Step 5: Solve for x
    x = 143,556,116,544/175,416
  6. Step 6: Final answer
    x = 818,375.27

Related Problems

Find third proportional to 87,708 and 189,444
Half scale
Find third proportional to 350,832 and 757,776
Double scale
Find third proportional to 175,418 and 378,892
Similar ratio
Find third proportional to 263,124 and 568,332
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.