Home / 180,760-393,705

Finding the Third Proportional to 180,760 and 393,705

Calculator

Solution

The third proportional to 180,760 and 393,705 is: 857,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,760 : 393,705 = 393,705 : x
  2. Step 2: Convert to fraction form
    180,760/393,705 = 393,705/x
  3. Step 3: Cross multiply
    180,760x = 393,705 × 393,705
  4. Step 4: Simplify right side
    180,760x = 155,003,627,025
  5. Step 5: Solve for x
    x = 155,003,627,025/180,760
  6. Step 6: Final answer
    x = 857,510.66

Related Problems

Find third proportional to 90,380 and 196,852.50
Half scale
Find third proportional to 361,520 and 787,410
Double scale
Find third proportional to 180,762 and 393,709
Similar ratio
Find third proportional to 271,140 and 590,557.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.