Home / 126,072-191,728

Finding the Third Proportional to 126,072 and 191,728

Calculator

Solution

The third proportional to 126,072 and 191,728 is: 291,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,072 : 191,728 = 191,728 : x
  2. Step 2: Convert to fraction form
    126,072/191,728 = 191,728/x
  3. Step 3: Cross multiply
    126,072x = 191,728 × 191,728
  4. Step 4: Simplify right side
    126,072x = 36,759,625,984
  5. Step 5: Solve for x
    x = 36,759,625,984/126,072
  6. Step 6: Final answer
    x = 291,576.45

Related Problems

Find third proportional to 63,036 and 95,864
Half scale
Find third proportional to 252,144 and 383,456
Double scale
Find third proportional to 126,074 and 191,731
Similar ratio
Find third proportional to 189,108 and 287,592
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.