Home / 13,602-20,151

Finding the Third Proportional to 13,602 and 20,151

Calculator

Solution

The third proportional to 13,602 and 20,151 is: 29,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602 : 20,151 = 20,151 : x
  2. Step 2: Convert to fraction form
    13,602/20,151 = 20,151/x
  3. Step 3: Cross multiply
    13,602x = 20,151 × 20,151
  4. Step 4: Simplify right side
    13,602x = 406,062,801
  5. Step 5: Solve for x
    x = 406,062,801/13,602
  6. Step 6: Final answer
    x = 29,853.17

Related Problems

Find third proportional to 6,801 and 10,075.50
Half scale
Find third proportional to 27,204 and 40,302
Double scale
Find third proportional to 13,604 and 20,154
Similar ratio
Find third proportional to 20,403 and 30,226.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.