Home / 438,378-957,918

Finding the Third Proportional to 438,378 and 957,918

Calculator

Solution

The third proportional to 438,378 and 957,918 is: 2,093,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,378 : 957,918 = 957,918 : x
  2. Step 2: Convert to fraction form
    438,378/957,918 = 957,918/x
  3. Step 3: Cross multiply
    438,378x = 957,918 × 957,918
  4. Step 4: Simplify right side
    438,378x = 917,606,894,724
  5. Step 5: Solve for x
    x = 917,606,894,724/438,378
  6. Step 6: Final answer
    x = 2,093,186.46

Related Problems

Find third proportional to 219,189 and 478,959
Half scale
Find third proportional to 876,756 and 1,915,836
Double scale
Find third proportional to 438,380 and 957,922
Similar ratio
Find third proportional to 657,567 and 1,436,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.