Home / 6,811-11,510

Finding the Third Proportional to 6,811 and 11,510

Calculator

Solution

The third proportional to 6,811 and 11,510 is: 19,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811 : 11,510 = 11,510 : x
  2. Step 2: Convert to fraction form
    6,811/11,510 = 11,510/x
  3. Step 3: Cross multiply
    6,811x = 11,510 × 11,510
  4. Step 4: Simplify right side
    6,811x = 132,480,100
  5. Step 5: Solve for x
    x = 132,480,100/6,811
  6. Step 6: Final answer
    x = 19,450.90

Related Problems

Find third proportional to 3,405.50 and 5,755
Half scale
Find third proportional to 13,622 and 23,020
Double scale
Find third proportional to 6,813 and 11,513
Similar ratio
Find third proportional to 10,216.50 and 17,265
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.