Home / 75,318-99,945

Finding the Third Proportional to 75,318 and 99,945

Calculator

Solution

The third proportional to 75,318 and 99,945 is: 132,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,318 : 99,945 = 99,945 : x
  2. Step 2: Convert to fraction form
    75,318/99,945 = 99,945/x
  3. Step 3: Cross multiply
    75,318x = 99,945 × 99,945
  4. Step 4: Simplify right side
    75,318x = 9,989,003,025
  5. Step 5: Solve for x
    x = 9,989,003,025/75,318
  6. Step 6: Final answer
    x = 132,624.38

Related Problems

Find third proportional to 37,659 and 49,972.50
Half scale
Find third proportional to 150,636 and 199,890
Double scale
Find third proportional to 75,320 and 99,948
Similar ratio
Find third proportional to 112,977 and 149,917.50
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.