Home / 2,698-5,809

Finding the Third Proportional to 2,698 and 5,809

Calculator

Solution

The third proportional to 2,698 and 5,809 is: 12,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698 : 5,809 = 5,809 : x
  2. Step 2: Convert to fraction form
    2,698/5,809 = 5,809/x
  3. Step 3: Cross multiply
    2,698x = 5,809 × 5,809
  4. Step 4: Simplify right side
    2,698x = 33,744,481
  5. Step 5: Solve for x
    x = 33,744,481/2,698
  6. Step 6: Final answer
    x = 12,507.22

Related Problems

Find third proportional to 1,349 and 2,904.50
Half scale
Find third proportional to 5,396 and 11,618
Double scale
Find third proportional to 2,700 and 5,813
Similar ratio
Find third proportional to 4,047 and 8,713.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.