Home / 380,220-826,131

Finding the Third Proportional to 380,220 and 826,131

Calculator

Solution

The third proportional to 380,220 and 826,131 is: 1,794,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,220 : 826,131 = 826,131 : x
  2. Step 2: Convert to fraction form
    380,220/826,131 = 826,131/x
  3. Step 3: Cross multiply
    380,220x = 826,131 × 826,131
  4. Step 4: Simplify right side
    380,220x = 682,492,429,161
  5. Step 5: Solve for x
    x = 682,492,429,161/380,220
  6. Step 6: Final answer
    x = 1,794,993.50

Related Problems

Find third proportional to 190,110 and 413,065.50
Half scale
Find third proportional to 760,440 and 1,652,262
Double scale
Find third proportional to 380,222 and 826,135
Similar ratio
Find third proportional to 570,330 and 1,239,196.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.