Home / 171,811-258,041

Finding the Third Proportional to 171,811 and 258,041

Calculator

Solution

The third proportional to 171,811 and 258,041 is: 387,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,811 : 258,041 = 258,041 : x
  2. Step 2: Convert to fraction form
    171,811/258,041 = 258,041/x
  3. Step 3: Cross multiply
    171,811x = 258,041 × 258,041
  4. Step 4: Simplify right side
    171,811x = 66,585,157,681
  5. Step 5: Solve for x
    x = 66,585,157,681/171,811
  6. Step 6: Final answer
    x = 387,548.86

Related Problems

Find third proportional to 85,905.50 and 129,020.50
Half scale
Find third proportional to 343,622 and 516,082
Double scale
Find third proportional to 171,813 and 258,044
Similar ratio
Find third proportional to 257,716.50 and 387,061.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.