Home / 131,818-311,042

Finding the Third Proportional to 131,818 and 311,042

Calculator

Solution

The third proportional to 131,818 and 311,042 is: 733,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,818 : 311,042 = 311,042 : x
  2. Step 2: Convert to fraction form
    131,818/311,042 = 311,042/x
  3. Step 3: Cross multiply
    131,818x = 311,042 × 311,042
  4. Step 4: Simplify right side
    131,818x = 96,747,125,764
  5. Step 5: Solve for x
    x = 96,747,125,764/131,818
  6. Step 6: Final answer
    x = 733,944.73

Related Problems

Find third proportional to 65,909 and 155,521
Half scale
Find third proportional to 263,636 and 622,084
Double scale
Find third proportional to 131,820 and 311,047
Similar ratio
Find third proportional to 197,727 and 466,563
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.