Home / 399,567-603,495

Finding the Third Proportional to 399,567 and 603,495

Calculator

Solution

The third proportional to 399,567 and 603,495 is: 911,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,567 : 603,495 = 603,495 : x
  2. Step 2: Convert to fraction form
    399,567/603,495 = 603,495/x
  3. Step 3: Cross multiply
    399,567x = 603,495 × 603,495
  4. Step 4: Simplify right side
    399,567x = 364,206,215,025
  5. Step 5: Solve for x
    x = 364,206,215,025/399,567
  6. Step 6: Final answer
    x = 911,502.24

Related Problems

Find third proportional to 199,783.50 and 301,747.50
Half scale
Find third proportional to 799,134 and 1,206,990
Double scale
Find third proportional to 399,569 and 603,498
Similar ratio
Find third proportional to 599,350.50 and 905,242.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.