Home / 270,966-381,243

Finding the Third Proportional to 270,966 and 381,243

Calculator

Solution

The third proportional to 270,966 and 381,243 is: 536,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,966 : 381,243 = 381,243 : x
  2. Step 2: Convert to fraction form
    270,966/381,243 = 381,243/x
  3. Step 3: Cross multiply
    270,966x = 381,243 × 381,243
  4. Step 4: Simplify right side
    270,966x = 145,346,225,049
  5. Step 5: Solve for x
    x = 145,346,225,049/270,966
  6. Step 6: Final answer
    x = 536,400.23

Related Problems

Find third proportional to 135,483 and 190,621.50
Half scale
Find third proportional to 541,932 and 762,486
Double scale
Find third proportional to 270,968 and 381,246
Similar ratio
Find third proportional to 406,449 and 571,864.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.