Home / 7,212-7,836

Finding the Third Proportional to 7,212 and 7,836

Calculator

Solution

The third proportional to 7,212 and 7,836 is: 8,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212 : 7,836 = 7,836 : x
  2. Step 2: Convert to fraction form
    7,212/7,836 = 7,836/x
  3. Step 3: Cross multiply
    7,212x = 7,836 × 7,836
  4. Step 4: Simplify right side
    7,212x = 61,402,896
  5. Step 5: Solve for x
    x = 61,402,896/7,212
  6. Step 6: Final answer
    x = 8,513.99

Related Problems

Find third proportional to 3,606 and 3,918
Half scale
Find third proportional to 14,424 and 15,672
Double scale
Find third proportional to 7,214 and 7,838
Similar ratio
Find third proportional to 10,818 and 11,754
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.