Home / 6,120-13,380

Finding the Third Proportional to 6,120 and 13,380

Calculator

Solution

The third proportional to 6,120 and 13,380 is: 29,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120 : 13,380 = 13,380 : x
  2. Step 2: Convert to fraction form
    6,120/13,380 = 13,380/x
  3. Step 3: Cross multiply
    6,120x = 13,380 × 13,380
  4. Step 4: Simplify right side
    6,120x = 179,024,400
  5. Step 5: Solve for x
    x = 179,024,400/6,120
  6. Step 6: Final answer
    x = 29,252.35

Related Problems

Find third proportional to 3,060 and 6,690
Half scale
Find third proportional to 12,240 and 26,760
Double scale
Find third proportional to 6,122 and 13,384
Similar ratio
Find third proportional to 9,180 and 20,070
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.