Home / 2,850-7,317

Finding the Third Proportional to 2,850 and 7,317

Calculator

Solution

The third proportional to 2,850 and 7,317 is: 18,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850 : 7,317 = 7,317 : x
  2. Step 2: Convert to fraction form
    2,850/7,317 = 7,317/x
  3. Step 3: Cross multiply
    2,850x = 7,317 × 7,317
  4. Step 4: Simplify right side
    2,850x = 53,538,489
  5. Step 5: Solve for x
    x = 53,538,489/2,850
  6. Step 6: Final answer
    x = 18,785.43

Related Problems

Find third proportional to 1,425 and 3,658.50
Half scale
Find third proportional to 5,700 and 14,634
Double scale
Find third proportional to 2,852 and 7,322
Similar ratio
Find third proportional to 4,275 and 10,975.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.