Home / 218,238-294,723

Finding the Third Proportional to 218,238 and 294,723

Calculator

Solution

The third proportional to 218,238 and 294,723 is: 398,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,238 : 294,723 = 294,723 : x
  2. Step 2: Convert to fraction form
    218,238/294,723 = 294,723/x
  3. Step 3: Cross multiply
    218,238x = 294,723 × 294,723
  4. Step 4: Simplify right side
    218,238x = 86,861,646,729
  5. Step 5: Solve for x
    x = 86,861,646,729/218,238
  6. Step 6: Final answer
    x = 398,013.39

Related Problems

Find third proportional to 109,119 and 147,361.50
Half scale
Find third proportional to 436,476 and 589,446
Double scale
Find third proportional to 218,240 and 294,726
Similar ratio
Find third proportional to 327,357 and 442,084.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.