Home / 156,254-221,244

Finding the Third Proportional to 156,254 and 221,244

Calculator

Solution

The third proportional to 156,254 and 221,244 is: 313,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,254 : 221,244 = 221,244 : x
  2. Step 2: Convert to fraction form
    156,254/221,244 = 221,244/x
  3. Step 3: Cross multiply
    156,254x = 221,244 × 221,244
  4. Step 4: Simplify right side
    156,254x = 48,948,907,536
  5. Step 5: Solve for x
    x = 48,948,907,536/156,254
  6. Step 6: Final answer
    x = 313,264.99

Related Problems

Find third proportional to 78,127 and 110,622
Half scale
Find third proportional to 312,508 and 442,488
Double scale
Find third proportional to 156,256 and 221,247
Similar ratio
Find third proportional to 234,381 and 331,866
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.