Home / 401,722-622,015

Finding the Third Proportional to 401,722 and 622,015

Calculator

Solution

The third proportional to 401,722 and 622,015 is: 963,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,722 : 622,015 = 622,015 : x
  2. Step 2: Convert to fraction form
    401,722/622,015 = 622,015/x
  3. Step 3: Cross multiply
    401,722x = 622,015 × 622,015
  4. Step 4: Simplify right side
    401,722x = 386,902,660,225
  5. Step 5: Solve for x
    x = 386,902,660,225/401,722
  6. Step 6: Final answer
    x = 963,110.46

Related Problems

Find third proportional to 200,861 and 311,007.50
Half scale
Find third proportional to 803,444 and 1,244,030
Double scale
Find third proportional to 401,724 and 622,018
Similar ratio
Find third proportional to 602,583 and 933,022.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.