Home / 82,172-126,739

Finding the Third Proportional to 82,172 and 126,739

Calculator

Solution

The third proportional to 82,172 and 126,739 is: 195,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,172 : 126,739 = 126,739 : x
  2. Step 2: Convert to fraction form
    82,172/126,739 = 126,739/x
  3. Step 3: Cross multiply
    82,172x = 126,739 × 126,739
  4. Step 4: Simplify right side
    82,172x = 16,062,774,121
  5. Step 5: Solve for x
    x = 16,062,774,121/82,172
  6. Step 6: Final answer
    x = 195,477.46

Related Problems

Find third proportional to 41,086 and 63,369.50
Half scale
Find third proportional to 164,344 and 253,478
Double scale
Find third proportional to 82,174 and 126,742
Similar ratio
Find third proportional to 123,258 and 190,108.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.