Home / 339,489-739,852

Finding the Third Proportional to 339,489 and 739,852

Calculator

Solution

The third proportional to 339,489 and 739,852 is: 1,612,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,489 : 739,852 = 739,852 : x
  2. Step 2: Convert to fraction form
    339,489/739,852 = 739,852/x
  3. Step 3: Cross multiply
    339,489x = 739,852 × 739,852
  4. Step 4: Simplify right side
    339,489x = 547,380,981,904
  5. Step 5: Solve for x
    x = 547,380,981,904/339,489
  6. Step 6: Final answer
    x = 1,612,367.36

Related Problems

Find third proportional to 169,744.50 and 369,926
Half scale
Find third proportional to 678,978 and 1,479,704
Double scale
Find third proportional to 339,491 and 739,856
Similar ratio
Find third proportional to 509,233.50 and 1,109,778
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.