Home / 208,018-447,155

Finding the Third Proportional to 208,018 and 447,155

Calculator

Solution

The third proportional to 208,018 and 447,155 is: 961,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,018 : 447,155 = 447,155 : x
  2. Step 2: Convert to fraction form
    208,018/447,155 = 447,155/x
  3. Step 3: Cross multiply
    208,018x = 447,155 × 447,155
  4. Step 4: Simplify right side
    208,018x = 199,947,594,025
  5. Step 5: Solve for x
    x = 199,947,594,025/208,018
  6. Step 6: Final answer
    x = 961,203.33

Related Problems

Find third proportional to 104,009 and 223,577.50
Half scale
Find third proportional to 416,036 and 894,310
Double scale
Find third proportional to 208,020 and 447,159
Similar ratio
Find third proportional to 312,027 and 670,732.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.