Home / 100,538-220,948

Finding the Third Proportional to 100,538 and 220,948

Calculator

Solution

The third proportional to 100,538 and 220,948 is: 485,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,538 : 220,948 = 220,948 : x
  2. Step 2: Convert to fraction form
    100,538/220,948 = 220,948/x
  3. Step 3: Cross multiply
    100,538x = 220,948 × 220,948
  4. Step 4: Simplify right side
    100,538x = 48,818,018,704
  5. Step 5: Solve for x
    x = 48,818,018,704/100,538
  6. Step 6: Final answer
    x = 485,567.83

Related Problems

Find third proportional to 50,269 and 110,474
Half scale
Find third proportional to 201,076 and 441,896
Double scale
Find third proportional to 100,540 and 220,952
Similar ratio
Find third proportional to 150,807 and 331,422
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.