Home / 4,800-6,480

Finding the Third Proportional to 4,800 and 6,480

Calculator

Solution

The third proportional to 4,800 and 6,480 is: 8,748

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800 : 6,480 = 6,480 : x
  2. Step 2: Convert to fraction form
    4,800/6,480 = 6,480/x
  3. Step 3: Cross multiply
    4,800x = 6,480 × 6,480
  4. Step 4: Simplify right side
    4,800x = 41,990,400
  5. Step 5: Solve for x
    x = 41,990,400/4,800
  6. Step 6: Final answer
    x = 8,748

Related Problems

Find third proportional to 2,400 and 3,240
Half scale
Find third proportional to 9,600 and 12,960
Double scale
Find third proportional to 4,802 and 6,483
Similar ratio
Find third proportional to 7,200 and 9,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.