Home / 66,784-136,036

Finding the Third Proportional to 66,784 and 136,036

Calculator

Solution

The third proportional to 66,784 and 136,036 is: 277,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,784 : 136,036 = 136,036 : x
  2. Step 2: Convert to fraction form
    66,784/136,036 = 136,036/x
  3. Step 3: Cross multiply
    66,784x = 136,036 × 136,036
  4. Step 4: Simplify right side
    66,784x = 18,505,793,296
  5. Step 5: Solve for x
    x = 18,505,793,296/66,784
  6. Step 6: Final answer
    x = 277,099.20

Related Problems

Find third proportional to 33,392 and 68,018
Half scale
Find third proportional to 133,568 and 272,072
Double scale
Find third proportional to 66,786 and 136,040
Similar ratio
Find third proportional to 100,176 and 204,054
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.