Home / 142,961-305,555

Finding the Third Proportional to 142,961 and 305,555

Calculator

Solution

The third proportional to 142,961 and 305,555 is: 653,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,961 : 305,555 = 305,555 : x
  2. Step 2: Convert to fraction form
    142,961/305,555 = 305,555/x
  3. Step 3: Cross multiply
    142,961x = 305,555 × 305,555
  4. Step 4: Simplify right side
    142,961x = 93,363,858,025
  5. Step 5: Solve for x
    x = 93,363,858,025/142,961
  6. Step 6: Final answer
    x = 653,072.22

Related Problems

Find third proportional to 71,480.50 and 152,777.50
Half scale
Find third proportional to 285,922 and 611,110
Double scale
Find third proportional to 142,963 and 305,559
Similar ratio
Find third proportional to 214,441.50 and 458,332.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.