Home / 143,813-313,580

Finding the Third Proportional to 143,813 and 313,580

Calculator

Solution

The third proportional to 143,813 and 313,580 is: 683,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,813 : 313,580 = 313,580 : x
  2. Step 2: Convert to fraction form
    143,813/313,580 = 313,580/x
  3. Step 3: Cross multiply
    143,813x = 313,580 × 313,580
  4. Step 4: Simplify right side
    143,813x = 98,332,416,400
  5. Step 5: Solve for x
    x = 98,332,416,400/143,813
  6. Step 6: Final answer
    x = 683,751.93

Related Problems

Find third proportional to 71,906.50 and 156,790
Half scale
Find third proportional to 287,626 and 627,160
Double scale
Find third proportional to 143,815 and 313,584
Similar ratio
Find third proportional to 215,719.50 and 470,370
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.