Home / 2,508-6,430

Finding the Third Proportional to 2,508 and 6,430

Calculator

Solution

The third proportional to 2,508 and 6,430 is: 16,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508 : 6,430 = 6,430 : x
  2. Step 2: Convert to fraction form
    2,508/6,430 = 6,430/x
  3. Step 3: Cross multiply
    2,508x = 6,430 × 6,430
  4. Step 4: Simplify right side
    2,508x = 41,344,900
  5. Step 5: Solve for x
    x = 41,344,900/2,508
  6. Step 6: Final answer
    x = 16,485.21

Related Problems

Find third proportional to 1,254 and 3,215
Half scale
Find third proportional to 5,016 and 12,860
Double scale
Find third proportional to 2,510 and 6,435
Similar ratio
Find third proportional to 3,762 and 9,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.