Home / 66,579-142,950

Finding the Third Proportional to 66,579 and 142,950

Calculator

Solution

The third proportional to 66,579 and 142,950 is: 306,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,579 : 142,950 = 142,950 : x
  2. Step 2: Convert to fraction form
    66,579/142,950 = 142,950/x
  3. Step 3: Cross multiply
    66,579x = 142,950 × 142,950
  4. Step 4: Simplify right side
    66,579x = 20,434,702,500
  5. Step 5: Solve for x
    x = 20,434,702,500/66,579
  6. Step 6: Final answer
    x = 306,924.14

Related Problems

Find third proportional to 33,289.50 and 71,475
Half scale
Find third proportional to 133,158 and 285,900
Double scale
Find third proportional to 66,581 and 142,954
Similar ratio
Find third proportional to 99,868.50 and 214,425
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.