Home / 8,645-13,763

Finding the Third Proportional to 8,645 and 13,763

Calculator

Solution

The third proportional to 8,645 and 13,763 is: 21,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645 : 13,763 = 13,763 : x
  2. Step 2: Convert to fraction form
    8,645/13,763 = 13,763/x
  3. Step 3: Cross multiply
    8,645x = 13,763 × 13,763
  4. Step 4: Simplify right side
    8,645x = 189,420,169
  5. Step 5: Solve for x
    x = 189,420,169/8,645
  6. Step 6: Final answer
    x = 21,910.95

Related Problems

Find third proportional to 4,322.50 and 6,881.50
Half scale
Find third proportional to 17,290 and 27,526
Double scale
Find third proportional to 8,647 and 13,766
Similar ratio
Find third proportional to 12,967.50 and 20,644.50
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.