Home / 13,622-15,782

Finding the Third Proportional to 13,622 and 15,782

Calculator

Solution

The third proportional to 13,622 and 15,782 is: 18,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622 : 15,782 = 15,782 : x
  2. Step 2: Convert to fraction form
    13,622/15,782 = 15,782/x
  3. Step 3: Cross multiply
    13,622x = 15,782 × 15,782
  4. Step 4: Simplify right side
    13,622x = 249,071,524
  5. Step 5: Solve for x
    x = 249,071,524/13,622
  6. Step 6: Final answer
    x = 18,284.50

Related Problems

Find third proportional to 6,811 and 7,891
Half scale
Find third proportional to 27,244 and 31,564
Double scale
Find third proportional to 13,624 and 15,784
Similar ratio
Find third proportional to 20,433 and 23,673
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.