Home / 1,353-2,730

Finding the Third Proportional to 1,353 and 2,730

Calculator

Solution

The third proportional to 1,353 and 2,730 is: 5,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353 : 2,730 = 2,730 : x
  2. Step 2: Convert to fraction form
    1,353/2,730 = 2,730/x
  3. Step 3: Cross multiply
    1,353x = 2,730 × 2,730
  4. Step 4: Simplify right side
    1,353x = 7,452,900
  5. Step 5: Solve for x
    x = 7,452,900/1,353
  6. Step 6: Final answer
    x = 5,508.43

Related Problems

Find third proportional to 676.50 and 1,365
Half scale
Find third proportional to 2,706 and 5,460
Double scale
Find third proportional to 1,355 and 2,734
Similar ratio
Find third proportional to 2,029.50 and 4,095
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.