Home / 2,772-6,480

Finding the Third Proportional to 2,772 and 6,480

Calculator

Solution

The third proportional to 2,772 and 6,480 is: 15,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772 : 6,480 = 6,480 : x
  2. Step 2: Convert to fraction form
    2,772/6,480 = 6,480/x
  3. Step 3: Cross multiply
    2,772x = 6,480 × 6,480
  4. Step 4: Simplify right side
    2,772x = 41,990,400
  5. Step 5: Solve for x
    x = 41,990,400/2,772
  6. Step 6: Final answer
    x = 15,148.05

Related Problems

Find third proportional to 1,386 and 3,240
Half scale
Find third proportional to 5,544 and 12,960
Double scale
Find third proportional to 2,774 and 6,485
Similar ratio
Find third proportional to 4,158 and 9,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.