Home / 2,517-2,739

Finding the Third Proportional to 2,517 and 2,739

Calculator

Solution

The third proportional to 2,517 and 2,739 is: 2,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517 : 2,739 = 2,739 : x
  2. Step 2: Convert to fraction form
    2,517/2,739 = 2,739/x
  3. Step 3: Cross multiply
    2,517x = 2,739 × 2,739
  4. Step 4: Simplify right side
    2,517x = 7,502,121
  5. Step 5: Solve for x
    x = 7,502,121/2,517
  6. Step 6: Final answer
    x = 2,980.58

Related Problems

Find third proportional to 1,258.50 and 1,369.50
Half scale
Find third proportional to 5,034 and 5,478
Double scale
Find third proportional to 2,519 and 2,741
Similar ratio
Find third proportional to 3,775.50 and 4,108.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.