Home / 156,988-339,247

Finding the Third Proportional to 156,988 and 339,247

Calculator

Solution

The third proportional to 156,988 and 339,247 is: 733,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988 : 339,247 = 339,247 : x
  2. Step 2: Convert to fraction form
    156,988/339,247 = 339,247/x
  3. Step 3: Cross multiply
    156,988x = 339,247 × 339,247
  4. Step 4: Simplify right side
    156,988x = 115,088,527,009
  5. Step 5: Solve for x
    x = 115,088,527,009/156,988
  6. Step 6: Final answer
    x = 733,103.98

Related Problems

Find third proportional to 78,494 and 169,623.50
Half scale
Find third proportional to 313,976 and 678,494
Double scale
Find third proportional to 156,990 and 339,251
Similar ratio
Find third proportional to 235,482 and 508,870.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.