Home / 201,172-439,711

Finding the Third Proportional to 201,172 and 439,711

Calculator

Solution

The third proportional to 201,172 and 439,711 is: 961,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,172 : 439,711 = 439,711 : x
  2. Step 2: Convert to fraction form
    201,172/439,711 = 439,711/x
  3. Step 3: Cross multiply
    201,172x = 439,711 × 439,711
  4. Step 4: Simplify right side
    201,172x = 193,345,763,521
  5. Step 5: Solve for x
    x = 193,345,763,521/201,172
  6. Step 6: Final answer
    x = 961,096.79

Related Problems

Find third proportional to 100,586 and 219,855.50
Half scale
Find third proportional to 402,344 and 879,422
Double scale
Find third proportional to 201,174 and 439,715
Similar ratio
Find third proportional to 301,758 and 659,566.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.