Home / 422,608-939,708

Finding the Third Proportional to 422,608 and 939,708

Calculator

Solution

The third proportional to 422,608 and 939,708 is: 2,089,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,608 : 939,708 = 939,708 : x
  2. Step 2: Convert to fraction form
    422,608/939,708 = 939,708/x
  3. Step 3: Cross multiply
    422,608x = 939,708 × 939,708
  4. Step 4: Simplify right side
    422,608x = 883,051,125,264
  5. Step 5: Solve for x
    x = 883,051,125,264/422,608
  6. Step 6: Final answer
    x = 2,089,527.71

Related Problems

Find third proportional to 211,304 and 469,854
Half scale
Find third proportional to 845,216 and 1,879,416
Double scale
Find third proportional to 422,610 and 939,712
Similar ratio
Find third proportional to 633,912 and 1,409,562
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.