Home / 178,455-260,977

Finding the Third Proportional to 178,455 and 260,977

Calculator

Solution

The third proportional to 178,455 and 260,977 is: 381,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,455 : 260,977 = 260,977 : x
  2. Step 2: Convert to fraction form
    178,455/260,977 = 260,977/x
  3. Step 3: Cross multiply
    178,455x = 260,977 × 260,977
  4. Step 4: Simplify right side
    178,455x = 68,108,994,529
  5. Step 5: Solve for x
    x = 68,108,994,529/178,455
  6. Step 6: Final answer
    x = 381,659.21

Related Problems

Find third proportional to 89,227.50 and 130,488.50
Half scale
Find third proportional to 356,910 and 521,954
Double scale
Find third proportional to 178,457 and 260,980
Similar ratio
Find third proportional to 267,682.50 and 391,465.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.