Home / 380,934-819,198

Finding the Third Proportional to 380,934 and 819,198

Calculator

Solution

The third proportional to 380,934 and 819,198 is: 1,761,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,934 : 819,198 = 819,198 : x
  2. Step 2: Convert to fraction form
    380,934/819,198 = 819,198/x
  3. Step 3: Cross multiply
    380,934x = 819,198 × 819,198
  4. Step 4: Simplify right side
    380,934x = 671,085,363,204
  5. Step 5: Solve for x
    x = 671,085,363,204/380,934
  6. Step 6: Final answer
    x = 1,761,684.08

Related Problems

Find third proportional to 190,467 and 409,599
Half scale
Find third proportional to 761,868 and 1,638,396
Double scale
Find third proportional to 380,936 and 819,202
Similar ratio
Find third proportional to 571,401 and 1,228,797
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.