Home / 394,786-804,228

Finding the Third Proportional to 394,786 and 804,228

Calculator

Solution

The third proportional to 394,786 and 804,228 is: 1,638,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,786 : 804,228 = 804,228 : x
  2. Step 2: Convert to fraction form
    394,786/804,228 = 804,228/x
  3. Step 3: Cross multiply
    394,786x = 804,228 × 804,228
  4. Step 4: Simplify right side
    394,786x = 646,782,675,984
  5. Step 5: Solve for x
    x = 646,782,675,984/394,786
  6. Step 6: Final answer
    x = 1,638,312.09

Related Problems

Find third proportional to 197,393 and 402,114
Half scale
Find third proportional to 789,572 and 1,608,456
Double scale
Find third proportional to 394,788 and 804,232
Similar ratio
Find third proportional to 592,179 and 1,206,342
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.