Home / 218,240-294,726

Finding the Third Proportional to 218,240 and 294,726

Calculator

Solution

The third proportional to 218,240 and 294,726 is: 398,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,240 : 294,726 = 294,726 : x
  2. Step 2: Convert to fraction form
    218,240/294,726 = 294,726/x
  3. Step 3: Cross multiply
    218,240x = 294,726 × 294,726
  4. Step 4: Simplify right side
    218,240x = 86,863,415,076
  5. Step 5: Solve for x
    x = 86,863,415,076/218,240
  6. Step 6: Final answer
    x = 398,017.85

Related Problems

Find third proportional to 109,120 and 147,363
Half scale
Find third proportional to 436,480 and 589,452
Double scale
Find third proportional to 218,242 and 294,729
Similar ratio
Find third proportional to 327,360 and 442,089
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.