Home / 289,806-426,045

Finding the Third Proportional to 289,806 and 426,045

Calculator

Solution

The third proportional to 289,806 and 426,045 is: 626,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,806 : 426,045 = 426,045 : x
  2. Step 2: Convert to fraction form
    289,806/426,045 = 426,045/x
  3. Step 3: Cross multiply
    289,806x = 426,045 × 426,045
  4. Step 4: Simplify right side
    289,806x = 181,514,342,025
  5. Step 5: Solve for x
    x = 181,514,342,025/289,806
  6. Step 6: Final answer
    x = 626,330.52

Related Problems

Find third proportional to 144,903 and 213,022.50
Half scale
Find third proportional to 579,612 and 852,090
Double scale
Find third proportional to 289,808 and 426,048
Similar ratio
Find third proportional to 434,709 and 639,067.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.