Home / 1,529-2,905

Finding the Third Proportional to 1,529 and 2,905

Calculator

Solution

The third proportional to 1,529 and 2,905 is: 5,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529 : 2,905 = 2,905 : x
  2. Step 2: Convert to fraction form
    1,529/2,905 = 2,905/x
  3. Step 3: Cross multiply
    1,529x = 2,905 × 2,905
  4. Step 4: Simplify right side
    1,529x = 8,439,025
  5. Step 5: Solve for x
    x = 8,439,025/1,529
  6. Step 6: Final answer
    x = 5,519.31

Related Problems

Find third proportional to 764.50 and 1,452.50
Half scale
Find third proportional to 3,058 and 5,810
Double scale
Find third proportional to 1,531 and 2,909
Similar ratio
Find third proportional to 2,293.50 and 4,357.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.