Home / 221,816-344,100

Finding the Third Proportional to 221,816 and 344,100

Calculator

Solution

The third proportional to 221,816 and 344,100 is: 533,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,816 : 344,100 = 344,100 : x
  2. Step 2: Convert to fraction form
    221,816/344,100 = 344,100/x
  3. Step 3: Cross multiply
    221,816x = 344,100 × 344,100
  4. Step 4: Simplify right side
    221,816x = 118,404,810,000
  5. Step 5: Solve for x
    x = 118,404,810,000/221,816
  6. Step 6: Final answer
    x = 533,797.43

Related Problems

Find third proportional to 110,908 and 172,050
Half scale
Find third proportional to 443,632 and 688,200
Double scale
Find third proportional to 221,818 and 344,103
Similar ratio
Find third proportional to 332,724 and 516,150
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.