Home / 14,109-21,579

Finding the Third Proportional to 14,109 and 21,579

Calculator

Solution

The third proportional to 14,109 and 21,579 is: 33,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109 : 21,579 = 21,579 : x
  2. Step 2: Convert to fraction form
    14,109/21,579 = 21,579/x
  3. Step 3: Cross multiply
    14,109x = 21,579 × 21,579
  4. Step 4: Simplify right side
    14,109x = 465,653,241
  5. Step 5: Solve for x
    x = 465,653,241/14,109
  6. Step 6: Final answer
    x = 33,003.99

Related Problems

Find third proportional to 7,054.50 and 10,789.50
Half scale
Find third proportional to 28,218 and 43,158
Double scale
Find third proportional to 14,111 and 21,582
Similar ratio
Find third proportional to 21,163.50 and 32,368.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.