Home / 571,703-840,427

Finding the Third Proportional to 571,703 and 840,427

Calculator

Solution

The third proportional to 571,703 and 840,427 is: 1,235,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,703 : 840,427 = 840,427 : x
  2. Step 2: Convert to fraction form
    571,703/840,427 = 840,427/x
  3. Step 3: Cross multiply
    571,703x = 840,427 × 840,427
  4. Step 4: Simplify right side
    571,703x = 706,317,542,329
  5. Step 5: Solve for x
    x = 706,317,542,329/571,703
  6. Step 6: Final answer
    x = 1,235,462.37

Related Problems

Find third proportional to 285,851.50 and 420,213.50
Half scale
Find third proportional to 1,143,406 and 1,680,854
Double scale
Find third proportional to 571,705 and 840,430
Similar ratio
Find third proportional to 857,554.50 and 1,260,640.50
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.