Home / 278,626-603,908

Finding the Third Proportional to 278,626 and 603,908

Calculator

Solution

The third proportional to 278,626 and 603,908 is: 1,308,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,626 : 603,908 = 603,908 : x
  2. Step 2: Convert to fraction form
    278,626/603,908 = 603,908/x
  3. Step 3: Cross multiply
    278,626x = 603,908 × 603,908
  4. Step 4: Simplify right side
    278,626x = 364,704,872,464
  5. Step 5: Solve for x
    x = 364,704,872,464/278,626
  6. Step 6: Final answer
    x = 1,308,940.56

Related Problems

Find third proportional to 139,313 and 301,954
Half scale
Find third proportional to 557,252 and 1,207,816
Double scale
Find third proportional to 278,628 and 603,912
Similar ratio
Find third proportional to 417,939 and 905,862
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.