Home / 91,998-197,108

Finding the Third Proportional to 91,998 and 197,108

Calculator

Solution

The third proportional to 91,998 and 197,108 is: 422,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,998 : 197,108 = 197,108 : x
  2. Step 2: Convert to fraction form
    91,998/197,108 = 197,108/x
  3. Step 3: Cross multiply
    91,998x = 197,108 × 197,108
  4. Step 4: Simplify right side
    91,998x = 38,851,563,664
  5. Step 5: Solve for x
    x = 38,851,563,664/91,998
  6. Step 6: Final answer
    x = 422,308.79

Related Problems

Find third proportional to 45,999 and 98,554
Half scale
Find third proportional to 183,996 and 394,216
Double scale
Find third proportional to 92,000 and 197,112
Similar ratio
Find third proportional to 137,997 and 295,662
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.