Home / 529-579

Finding the Third Proportional to 529 and 579

Calculator

Solution

The third proportional to 529 and 579 is: 633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529 : 579 = 579 : x
  2. Step 2: Convert to fraction form
    529/579 = 579/x
  3. Step 3: Cross multiply
    529x = 579 × 579
  4. Step 4: Simplify right side
    529x = 335,241
  5. Step 5: Solve for x
    x = 335,241/529
  6. Step 6: Final answer
    x = 633.73

Related Problems

Find third proportional to 264.50 and 289.50
Half scale
Find third proportional to 1,058 and 1,158
Double scale
Find third proportional to 531 and 581
Similar ratio
Find third proportional to 793.50 and 868.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.