Home / 66,576-142,944

Finding the Third Proportional to 66,576 and 142,944

Calculator

Solution

The third proportional to 66,576 and 142,944 is: 306,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,576 : 142,944 = 142,944 : x
  2. Step 2: Convert to fraction form
    66,576/142,944 = 142,944/x
  3. Step 3: Cross multiply
    66,576x = 142,944 × 142,944
  4. Step 4: Simplify right side
    66,576x = 20,432,987,136
  5. Step 5: Solve for x
    x = 20,432,987,136/66,576
  6. Step 6: Final answer
    x = 306,912.21

Related Problems

Find third proportional to 33,288 and 71,472
Half scale
Find third proportional to 133,152 and 285,888
Double scale
Find third proportional to 66,578 and 142,948
Similar ratio
Find third proportional to 99,864 and 214,416
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.