Home / 144,243-313,885

Finding the Third Proportional to 144,243 and 313,885

Calculator

Solution

The third proportional to 144,243 and 313,885 is: 683,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,243 : 313,885 = 313,885 : x
  2. Step 2: Convert to fraction form
    144,243/313,885 = 313,885/x
  3. Step 3: Cross multiply
    144,243x = 313,885 × 313,885
  4. Step 4: Simplify right side
    144,243x = 98,523,793,225
  5. Step 5: Solve for x
    x = 98,523,793,225/144,243
  6. Step 6: Final answer
    x = 683,040.38

Related Problems

Find third proportional to 72,121.50 and 156,942.50
Half scale
Find third proportional to 288,486 and 627,770
Double scale
Find third proportional to 144,245 and 313,889
Similar ratio
Find third proportional to 216,364.50 and 470,827.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.