Home / 437,428-939,980

Finding the Third Proportional to 437,428 and 939,980

Calculator

Solution

The third proportional to 437,428 and 939,980 is: 2,019,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,428 : 939,980 = 939,980 : x
  2. Step 2: Convert to fraction form
    437,428/939,980 = 939,980/x
  3. Step 3: Cross multiply
    437,428x = 939,980 × 939,980
  4. Step 4: Simplify right side
    437,428x = 883,562,400,400
  5. Step 5: Solve for x
    x = 883,562,400,400/437,428
  6. Step 6: Final answer
    x = 2,019,903.62

Related Problems

Find third proportional to 218,714 and 469,990
Half scale
Find third proportional to 874,856 and 1,879,960
Double scale
Find third proportional to 437,430 and 939,984
Similar ratio
Find third proportional to 656,142 and 1,409,970
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.