Home / 2,830-6,140

Finding the Third Proportional to 2,830 and 6,140

Calculator

Solution

The third proportional to 2,830 and 6,140 is: 13,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830 : 6,140 = 6,140 : x
  2. Step 2: Convert to fraction form
    2,830/6,140 = 6,140/x
  3. Step 3: Cross multiply
    2,830x = 6,140 × 6,140
  4. Step 4: Simplify right side
    2,830x = 37,699,600
  5. Step 5: Solve for x
    x = 37,699,600/2,830
  6. Step 6: Final answer
    x = 13,321.41

Related Problems

Find third proportional to 1,415 and 3,070
Half scale
Find third proportional to 5,660 and 12,280
Double scale
Find third proportional to 2,832 and 6,144
Similar ratio
Find third proportional to 4,245 and 9,210
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.