Home / 156,471-212,550

Finding the Third Proportional to 156,471 and 212,550

Calculator

Solution

The third proportional to 156,471 and 212,550 is: 288,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,471 : 212,550 = 212,550 : x
  2. Step 2: Convert to fraction form
    156,471/212,550 = 212,550/x
  3. Step 3: Cross multiply
    156,471x = 212,550 × 212,550
  4. Step 4: Simplify right side
    156,471x = 45,177,502,500
  5. Step 5: Solve for x
    x = 45,177,502,500/156,471
  6. Step 6: Final answer
    x = 288,727.64

Related Problems

Find third proportional to 78,235.50 and 106,275
Half scale
Find third proportional to 312,942 and 425,100
Double scale
Find third proportional to 156,473 and 212,553
Similar ratio
Find third proportional to 234,706.50 and 318,825
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.