Home / 9,210-13,875

Finding the Third Proportional to 9,210 and 13,875

Calculator

Solution

The third proportional to 9,210 and 13,875 is: 20,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210 : 13,875 = 13,875 : x
  2. Step 2: Convert to fraction form
    9,210/13,875 = 13,875/x
  3. Step 3: Cross multiply
    9,210x = 13,875 × 13,875
  4. Step 4: Simplify right side
    9,210x = 192,515,625
  5. Step 5: Solve for x
    x = 192,515,625/9,210
  6. Step 6: Final answer
    x = 20,902.89

Related Problems

Find third proportional to 4,605 and 6,937.50
Half scale
Find third proportional to 18,420 and 27,750
Double scale
Find third proportional to 9,212 and 13,878
Similar ratio
Find third proportional to 13,815 and 20,812.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.