Home / 374,220-820,197

Finding the Third Proportional to 374,220 and 820,197

Calculator

Solution

The third proportional to 374,220 and 820,197 is: 1,797,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,220 : 820,197 = 820,197 : x
  2. Step 2: Convert to fraction form
    374,220/820,197 = 820,197/x
  3. Step 3: Cross multiply
    374,220x = 820,197 × 820,197
  4. Step 4: Simplify right side
    374,220x = 672,723,118,809
  5. Step 5: Solve for x
    x = 672,723,118,809/374,220
  6. Step 6: Final answer
    x = 1,797,667.47

Related Problems

Find third proportional to 187,110 and 410,098.50
Half scale
Find third proportional to 748,440 and 1,640,394
Double scale
Find third proportional to 374,222 and 820,201
Similar ratio
Find third proportional to 561,330 and 1,230,295.50
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.