Home / 7,418-10,439

Finding the Third Proportional to 7,418 and 10,439

Calculator

Solution

The third proportional to 7,418 and 10,439 is: 14,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418 : 10,439 = 10,439 : x
  2. Step 2: Convert to fraction form
    7,418/10,439 = 10,439/x
  3. Step 3: Cross multiply
    7,418x = 10,439 × 10,439
  4. Step 4: Simplify right side
    7,418x = 108,972,721
  5. Step 5: Solve for x
    x = 108,972,721/7,418
  6. Step 6: Final answer
    x = 14,690.31

Related Problems

Find third proportional to 3,709 and 5,219.50
Half scale
Find third proportional to 14,836 and 20,878
Double scale
Find third proportional to 7,420 and 10,442
Similar ratio
Find third proportional to 11,127 and 15,658.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.