Home / 3,423-3,729

Finding the Third Proportional to 3,423 and 3,729

Calculator

Solution

The third proportional to 3,423 and 3,729 is: 4,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423 : 3,729 = 3,729 : x
  2. Step 2: Convert to fraction form
    3,423/3,729 = 3,729/x
  3. Step 3: Cross multiply
    3,423x = 3,729 × 3,729
  4. Step 4: Simplify right side
    3,423x = 13,905,441
  5. Step 5: Solve for x
    x = 13,905,441/3,423
  6. Step 6: Final answer
    x = 4,062.35

Related Problems

Find third proportional to 1,711.50 and 1,864.50
Half scale
Find third proportional to 6,846 and 7,458
Double scale
Find third proportional to 3,425 and 3,731
Similar ratio
Find third proportional to 5,134.50 and 5,593.50
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.