Home / 99,018-131,989

Finding the Third Proportional to 99,018 and 131,989

Calculator

Solution

The third proportional to 99,018 and 131,989 is: 175,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,018 : 131,989 = 131,989 : x
  2. Step 2: Convert to fraction form
    99,018/131,989 = 131,989/x
  3. Step 3: Cross multiply
    99,018x = 131,989 × 131,989
  4. Step 4: Simplify right side
    99,018x = 17,421,096,121
  5. Step 5: Solve for x
    x = 17,421,096,121/99,018
  6. Step 6: Final answer
    x = 175,938.68

Related Problems

Find third proportional to 49,509 and 65,994.50
Half scale
Find third proportional to 198,036 and 263,978
Double scale
Find third proportional to 99,020 and 131,992
Similar ratio
Find third proportional to 148,527 and 197,983.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.