Home / 331,318-441,421

Finding the Third Proportional to 331,318 and 441,421

Calculator

Solution

The third proportional to 331,318 and 441,421 is: 588,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,318 : 441,421 = 441,421 : x
  2. Step 2: Convert to fraction form
    331,318/441,421 = 441,421/x
  3. Step 3: Cross multiply
    331,318x = 441,421 × 441,421
  4. Step 4: Simplify right side
    331,318x = 194,852,499,241
  5. Step 5: Solve for x
    x = 194,852,499,241/331,318
  6. Step 6: Final answer
    x = 588,113.23

Related Problems

Find third proportional to 165,659 and 220,710.50
Half scale
Find third proportional to 662,636 and 882,842
Double scale
Find third proportional to 331,320 and 441,424
Similar ratio
Find third proportional to 496,977 and 662,131.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.