Home / 4,212-8,892

Finding the Third Proportional to 4,212 and 8,892

Calculator

Solution

The third proportional to 4,212 and 8,892 is: 18,772

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212 : 8,892 = 8,892 : x
  2. Step 2: Convert to fraction form
    4,212/8,892 = 8,892/x
  3. Step 3: Cross multiply
    4,212x = 8,892 × 8,892
  4. Step 4: Simplify right side
    4,212x = 79,067,664
  5. Step 5: Solve for x
    x = 79,067,664/4,212
  6. Step 6: Final answer
    x = 18,772

Related Problems

Find third proportional to 2,106 and 4,446
Half scale
Find third proportional to 8,424 and 17,784
Double scale
Find third proportional to 4,214 and 8,896
Similar ratio
Find third proportional to 6,318 and 13,338
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.