Home / 315,604-443,918

Finding the Third Proportional to 315,604 and 443,918

Calculator

Solution

The third proportional to 315,604 and 443,918 is: 624,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,604 : 443,918 = 443,918 : x
  2. Step 2: Convert to fraction form
    315,604/443,918 = 443,918/x
  3. Step 3: Cross multiply
    315,604x = 443,918 × 443,918
  4. Step 4: Simplify right side
    315,604x = 197,063,190,724
  5. Step 5: Solve for x
    x = 197,063,190,724/315,604
  6. Step 6: Final answer
    x = 624,400.17

Related Problems

Find third proportional to 157,802 and 221,959
Half scale
Find third proportional to 631,208 and 887,836
Double scale
Find third proportional to 315,606 and 443,921
Similar ratio
Find third proportional to 473,406 and 665,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.