Home / 81,225-121,837

Finding the Third Proportional to 81,225 and 121,837

Calculator

Solution

The third proportional to 81,225 and 121,837 is: 182,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,225 : 121,837 = 121,837 : x
  2. Step 2: Convert to fraction form
    81,225/121,837 = 121,837/x
  3. Step 3: Cross multiply
    81,225x = 121,837 × 121,837
  4. Step 4: Simplify right side
    81,225x = 14,844,254,569
  5. Step 5: Solve for x
    x = 14,844,254,569/81,225
  6. Step 6: Final answer
    x = 182,754.75

Related Problems

Find third proportional to 40,612.50 and 60,918.50
Half scale
Find third proportional to 162,450 and 243,674
Double scale
Find third proportional to 81,227 and 121,840
Similar ratio
Find third proportional to 121,837.50 and 182,755.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.