Home / 436,488-939,720

Finding the Third Proportional to 436,488 and 939,720

Calculator

Solution

The third proportional to 436,488 and 939,720 is: 2,023,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,488 : 939,720 = 939,720 : x
  2. Step 2: Convert to fraction form
    436,488/939,720 = 939,720/x
  3. Step 3: Cross multiply
    436,488x = 939,720 × 939,720
  4. Step 4: Simplify right side
    436,488x = 883,073,678,400
  5. Step 5: Solve for x
    x = 883,073,678,400/436,488
  6. Step 6: Final answer
    x = 2,023,133.92

Related Problems

Find third proportional to 218,244 and 469,860
Half scale
Find third proportional to 872,976 and 1,879,440
Double scale
Find third proportional to 436,490 and 939,724
Similar ratio
Find third proportional to 654,732 and 1,409,580
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.