Home / 66,057-142,635

Finding the Third Proportional to 66,057 and 142,635

Calculator

Solution

The third proportional to 66,057 and 142,635 is: 307,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,057 : 142,635 = 142,635 : x
  2. Step 2: Convert to fraction form
    66,057/142,635 = 142,635/x
  3. Step 3: Cross multiply
    66,057x = 142,635 × 142,635
  4. Step 4: Simplify right side
    66,057x = 20,344,743,225
  5. Step 5: Solve for x
    x = 20,344,743,225/66,057
  6. Step 6: Final answer
    x = 307,987.70

Related Problems

Find third proportional to 33,028.50 and 71,317.50
Half scale
Find third proportional to 132,114 and 285,270
Double scale
Find third proportional to 66,059 and 142,639
Similar ratio
Find third proportional to 99,085.50 and 213,952.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.