Home / 216,900-447,192

Finding the Third Proportional to 216,900 and 447,192

Calculator

Solution

The third proportional to 216,900 and 447,192 is: 921,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,900 : 447,192 = 447,192 : x
  2. Step 2: Convert to fraction form
    216,900/447,192 = 447,192/x
  3. Step 3: Cross multiply
    216,900x = 447,192 × 447,192
  4. Step 4: Simplify right side
    216,900x = 199,980,684,864
  5. Step 5: Solve for x
    x = 199,980,684,864/216,900
  6. Step 6: Final answer
    x = 921,994.86

Related Problems

Find third proportional to 108,450 and 223,596
Half scale
Find third proportional to 433,800 and 894,384
Double scale
Find third proportional to 216,902 and 447,196
Similar ratio
Find third proportional to 325,350 and 670,788
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.