Home / 8,969-21,324

Finding the Third Proportional to 8,969 and 21,324

Calculator

Solution

The third proportional to 8,969 and 21,324 is: 50,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969 : 21,324 = 21,324 : x
  2. Step 2: Convert to fraction form
    8,969/21,324 = 21,324/x
  3. Step 3: Cross multiply
    8,969x = 21,324 × 21,324
  4. Step 4: Simplify right side
    8,969x = 454,712,976
  5. Step 5: Solve for x
    x = 454,712,976/8,969
  6. Step 6: Final answer
    x = 50,698.29

Related Problems

Find third proportional to 4,484.50 and 10,662
Half scale
Find third proportional to 17,938 and 42,648
Double scale
Find third proportional to 8,971 and 21,329
Similar ratio
Find third proportional to 13,453.50 and 31,986
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.