Home / 178,474-276,350

Finding the Third Proportional to 178,474 and 276,350

Calculator

Solution

The third proportional to 178,474 and 276,350 is: 427,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,474 : 276,350 = 276,350 : x
  2. Step 2: Convert to fraction form
    178,474/276,350 = 276,350/x
  3. Step 3: Cross multiply
    178,474x = 276,350 × 276,350
  4. Step 4: Simplify right side
    178,474x = 76,369,322,500
  5. Step 5: Solve for x
    x = 76,369,322,500/178,474
  6. Step 6: Final answer
    x = 427,901.67

Related Problems

Find third proportional to 89,237 and 138,175
Half scale
Find third proportional to 356,948 and 552,700
Double scale
Find third proportional to 178,476 and 276,353
Similar ratio
Find third proportional to 267,711 and 414,525
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.