Home / 374,216-820,189

Finding the Third Proportional to 374,216 and 820,189

Calculator

Solution

The third proportional to 374,216 and 820,189 is: 1,797,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,216 : 820,189 = 820,189 : x
  2. Step 2: Convert to fraction form
    374,216/820,189 = 820,189/x
  3. Step 3: Cross multiply
    374,216x = 820,189 × 820,189
  4. Step 4: Simplify right side
    374,216x = 672,709,995,721
  5. Step 5: Solve for x
    x = 672,709,995,721/374,216
  6. Step 6: Final answer
    x = 1,797,651.61

Related Problems

Find third proportional to 187,108 and 410,094.50
Half scale
Find third proportional to 748,432 and 1,640,378
Double scale
Find third proportional to 374,218 and 820,193
Similar ratio
Find third proportional to 561,324 and 1,230,283.50
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.