Home / 199,103-308,285

Finding the Third Proportional to 199,103 and 308,285

Calculator

Solution

The third proportional to 199,103 and 308,285 is: 477,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,103 : 308,285 = 308,285 : x
  2. Step 2: Convert to fraction form
    199,103/308,285 = 308,285/x
  3. Step 3: Cross multiply
    199,103x = 308,285 × 308,285
  4. Step 4: Simplify right side
    199,103x = 95,039,641,225
  5. Step 5: Solve for x
    x = 95,039,641,225/199,103
  6. Step 6: Final answer
    x = 477,339.07

Related Problems

Find third proportional to 99,551.50 and 154,142.50
Half scale
Find third proportional to 398,206 and 616,570
Double scale
Find third proportional to 199,105 and 308,288
Similar ratio
Find third proportional to 298,654.50 and 462,427.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.