Home / 156,379,137-212,142,472

Finding the Third Proportional to 156,379,137 and 212,142,472

Calculator

Solution

The third proportional to 156,379,137 and 212,142,472 is: 287,790,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,379,137 : 212,142,472 = 212,142,472 : x
  2. Step 2: Convert to fraction form
    156,379,137/212,142,472 = 212,142,472/x
  3. Step 3: Cross multiply
    156,379,137x = 212,142,472 × 212,142,472
  4. Step 4: Simplify right side
    156,379,137x = 45,004,428,426,270,784
  5. Step 5: Solve for x
    x = 45,004,428,426,270,784/156,379,137
  6. Step 6: Final answer
    x = 287,790,489.77

Related Problems

Find third proportional to 78,189,568.50 and 106,071,236
Half scale
Find third proportional to 312,758,274 and 424,284,944
Double scale
Find third proportional to 156,379,139 and 212,142,475
Similar ratio
Find third proportional to 234,568,705.50 and 318,213,708
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.