Home / 6,360-11,640

Finding the Third Proportional to 6,360 and 11,640

Calculator

Solution

The third proportional to 6,360 and 11,640 is: 21,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360 : 11,640 = 11,640 : x
  2. Step 2: Convert to fraction form
    6,360/11,640 = 11,640/x
  3. Step 3: Cross multiply
    6,360x = 11,640 × 11,640
  4. Step 4: Simplify right side
    6,360x = 135,489,600
  5. Step 5: Solve for x
    x = 135,489,600/6,360
  6. Step 6: Final answer
    x = 21,303.40

Related Problems

Find third proportional to 3,180 and 5,820
Half scale
Find third proportional to 12,720 and 23,280
Double scale
Find third proportional to 6,362 and 11,644
Similar ratio
Find third proportional to 9,540 and 17,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.