Home / 1,455-2,751

Finding the Third Proportional to 1,455 and 2,751

Calculator

Solution

The third proportional to 1,455 and 2,751 is: 5,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455 : 2,751 = 2,751 : x
  2. Step 2: Convert to fraction form
    1,455/2,751 = 2,751/x
  3. Step 3: Cross multiply
    1,455x = 2,751 × 2,751
  4. Step 4: Simplify right side
    1,455x = 7,568,001
  5. Step 5: Solve for x
    x = 7,568,001/1,455
  6. Step 6: Final answer
    x = 5,201.38

Related Problems

Find third proportional to 727.50 and 1,375.50
Half scale
Find third proportional to 2,910 and 5,502
Double scale
Find third proportional to 1,457 and 2,755
Similar ratio
Find third proportional to 2,182.50 and 4,126.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.