Home / 134,928-198,018

Finding the Third Proportional to 134,928 and 198,018

Calculator

Solution

The third proportional to 134,928 and 198,018 is: 290,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,928 : 198,018 = 198,018 : x
  2. Step 2: Convert to fraction form
    134,928/198,018 = 198,018/x
  3. Step 3: Cross multiply
    134,928x = 198,018 × 198,018
  4. Step 4: Simplify right side
    134,928x = 39,211,128,324
  5. Step 5: Solve for x
    x = 39,211,128,324/134,928
  6. Step 6: Final answer
    x = 290,607.79

Related Problems

Find third proportional to 67,464 and 99,009
Half scale
Find third proportional to 269,856 and 396,036
Double scale
Find third proportional to 134,930 and 198,021
Similar ratio
Find third proportional to 202,392 and 297,027
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.