Home / 156,271-339,354

Finding the Third Proportional to 156,271 and 339,354

Calculator

Solution

The third proportional to 156,271 and 339,354 is: 736,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,271 : 339,354 = 339,354 : x
  2. Step 2: Convert to fraction form
    156,271/339,354 = 339,354/x
  3. Step 3: Cross multiply
    156,271x = 339,354 × 339,354
  4. Step 4: Simplify right side
    156,271x = 115,161,137,316
  5. Step 5: Solve for x
    x = 115,161,137,316/156,271
  6. Step 6: Final answer
    x = 736,932.24

Related Problems

Find third proportional to 78,135.50 and 169,677
Half scale
Find third proportional to 312,542 and 678,708
Double scale
Find third proportional to 156,273 and 339,358
Similar ratio
Find third proportional to 234,406.50 and 509,031
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.