Home / 203,605-447,361

Finding the Third Proportional to 203,605 and 447,361

Calculator

Solution

The third proportional to 203,605 and 447,361 is: 982,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,605 : 447,361 = 447,361 : x
  2. Step 2: Convert to fraction form
    203,605/447,361 = 447,361/x
  3. Step 3: Cross multiply
    203,605x = 447,361 × 447,361
  4. Step 4: Simplify right side
    203,605x = 200,131,864,321
  5. Step 5: Solve for x
    x = 200,131,864,321/203,605
  6. Step 6: Final answer
    x = 982,941.80

Related Problems

Find third proportional to 101,802.50 and 223,680.50
Half scale
Find third proportional to 407,210 and 894,722
Double scale
Find third proportional to 203,607 and 447,365
Similar ratio
Find third proportional to 305,407.50 and 671,041.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.