Home / 66,168-136,800

Finding the Third Proportional to 66,168 and 136,800

Calculator

Solution

The third proportional to 66,168 and 136,800 is: 282,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168 : 136,800 = 136,800 : x
  2. Step 2: Convert to fraction form
    66,168/136,800 = 136,800/x
  3. Step 3: Cross multiply
    66,168x = 136,800 × 136,800
  4. Step 4: Simplify right side
    66,168x = 18,714,240,000
  5. Step 5: Solve for x
    x = 18,714,240,000/66,168
  6. Step 6: Final answer
    x = 282,829.16

Related Problems

Find third proportional to 33,084 and 68,400
Half scale
Find third proportional to 132,336 and 273,600
Double scale
Find third proportional to 66,170 and 136,804
Similar ratio
Find third proportional to 99,252 and 205,200
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.