Home / 198,966-308,535

Finding the Third Proportional to 198,966 and 308,535

Calculator

Solution

The third proportional to 198,966 and 308,535 is: 478,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,966 : 308,535 = 308,535 : x
  2. Step 2: Convert to fraction form
    198,966/308,535 = 308,535/x
  3. Step 3: Cross multiply
    198,966x = 308,535 × 308,535
  4. Step 4: Simplify right side
    198,966x = 95,193,846,225
  5. Step 5: Solve for x
    x = 95,193,846,225/198,966
  6. Step 6: Final answer
    x = 478,442.78

Related Problems

Find third proportional to 99,483 and 154,267.50
Half scale
Find third proportional to 397,932 and 617,070
Double scale
Find third proportional to 198,968 and 308,538
Similar ratio
Find third proportional to 298,449 and 462,802.50
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.