Home / 383,690-575,539

Finding the Third Proportional to 383,690 and 575,539

Calculator

Solution

The third proportional to 383,690 and 575,539 is: 863,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,690 : 575,539 = 575,539 : x
  2. Step 2: Convert to fraction form
    383,690/575,539 = 575,539/x
  3. Step 3: Cross multiply
    383,690x = 575,539 × 575,539
  4. Step 4: Simplify right side
    383,690x = 331,245,140,521
  5. Step 5: Solve for x
    x = 331,245,140,521/383,690
  6. Step 6: Final answer
    x = 863,314.50

Related Problems

Find third proportional to 191,845 and 287,769.50
Half scale
Find third proportional to 767,380 and 1,151,078
Double scale
Find third proportional to 383,692 and 575,542
Similar ratio
Find third proportional to 575,535 and 863,308.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.