Home / 223,740-436,140

Finding the Third Proportional to 223,740 and 436,140

Calculator

Solution

The third proportional to 223,740 and 436,140 is: 850,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,740 : 436,140 = 436,140 : x
  2. Step 2: Convert to fraction form
    223,740/436,140 = 436,140/x
  3. Step 3: Cross multiply
    223,740x = 436,140 × 436,140
  4. Step 4: Simplify right side
    223,740x = 190,218,099,600
  5. Step 5: Solve for x
    x = 190,218,099,600/223,740
  6. Step 6: Final answer
    x = 850,174.75

Related Problems

Find third proportional to 111,870 and 218,070
Half scale
Find third proportional to 447,480 and 872,280
Double scale
Find third proportional to 223,742 and 436,144
Similar ratio
Find third proportional to 335,610 and 654,210
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.