Home / 178,108-275,431

Finding the Third Proportional to 178,108 and 275,431

Calculator

Solution

The third proportional to 178,108 and 275,431 is: 425,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,108 : 275,431 = 275,431 : x
  2. Step 2: Convert to fraction form
    178,108/275,431 = 275,431/x
  3. Step 3: Cross multiply
    178,108x = 275,431 × 275,431
  4. Step 4: Simplify right side
    178,108x = 75,862,235,761
  5. Step 5: Solve for x
    x = 75,862,235,761/178,108
  6. Step 6: Final answer
    x = 425,933.90

Related Problems

Find third proportional to 89,054 and 137,715.50
Half scale
Find third proportional to 356,216 and 550,862
Double scale
Find third proportional to 178,110 and 275,434
Similar ratio
Find third proportional to 267,162 and 413,146.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.