Home / 8,601-13,686

Finding the Third Proportional to 8,601 and 13,686

Calculator

Solution

The third proportional to 8,601 and 13,686 is: 21,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601 : 13,686 = 13,686 : x
  2. Step 2: Convert to fraction form
    8,601/13,686 = 13,686/x
  3. Step 3: Cross multiply
    8,601x = 13,686 × 13,686
  4. Step 4: Simplify right side
    8,601x = 187,306,596
  5. Step 5: Solve for x
    x = 187,306,596/8,601
  6. Step 6: Final answer
    x = 21,777.30

Related Problems

Find third proportional to 4,300.50 and 6,843
Half scale
Find third proportional to 17,202 and 27,372
Double scale
Find third proportional to 8,603 and 13,689
Similar ratio
Find third proportional to 12,901.50 and 20,529
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.