Home / 328,403-707,463

Finding the Third Proportional to 328,403 and 707,463

Calculator

Solution

The third proportional to 328,403 and 707,463 is: 1,524,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,403 : 707,463 = 707,463 : x
  2. Step 2: Convert to fraction form
    328,403/707,463 = 707,463/x
  3. Step 3: Cross multiply
    328,403x = 707,463 × 707,463
  4. Step 4: Simplify right side
    328,403x = 500,503,896,369
  5. Step 5: Solve for x
    x = 500,503,896,369/328,403
  6. Step 6: Final answer
    x = 1,524,053.97

Related Problems

Find third proportional to 164,201.50 and 353,731.50
Half scale
Find third proportional to 656,806 and 1,414,926
Double scale
Find third proportional to 328,405 and 707,467
Similar ratio
Find third proportional to 492,604.50 and 1,061,194.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.