Home / 198,738-436,788

Finding the Third Proportional to 198,738 and 436,788

Calculator

Solution

The third proportional to 198,738 and 436,788 is: 959,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,738 : 436,788 = 436,788 : x
  2. Step 2: Convert to fraction form
    198,738/436,788 = 436,788/x
  3. Step 3: Cross multiply
    198,738x = 436,788 × 436,788
  4. Step 4: Simplify right side
    198,738x = 190,783,756,944
  5. Step 5: Solve for x
    x = 190,783,756,944/198,738
  6. Step 6: Final answer
    x = 959,976.23

Related Problems

Find third proportional to 99,369 and 218,394
Half scale
Find third proportional to 397,476 and 873,576
Double scale
Find third proportional to 198,740 and 436,792
Similar ratio
Find third proportional to 298,107 and 655,182
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.