Home / 183,411-378,243

Finding the Third Proportional to 183,411 and 378,243

Calculator

Solution

The third proportional to 183,411 and 378,243 is: 780,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,411 : 378,243 = 378,243 : x
  2. Step 2: Convert to fraction form
    183,411/378,243 = 378,243/x
  3. Step 3: Cross multiply
    183,411x = 378,243 × 378,243
  4. Step 4: Simplify right side
    183,411x = 143,067,767,049
  5. Step 5: Solve for x
    x = 143,067,767,049/183,411
  6. Step 6: Final answer
    x = 780,039.19

Related Problems

Find third proportional to 91,705.50 and 189,121.50
Half scale
Find third proportional to 366,822 and 756,486
Double scale
Find third proportional to 183,413 and 378,247
Similar ratio
Find third proportional to 275,116.50 and 567,364.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.