Home / 8,972-11,722

Finding the Third Proportional to 8,972 and 11,722

Calculator

Solution

The third proportional to 8,972 and 11,722 is: 15,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972 : 11,722 = 11,722 : x
  2. Step 2: Convert to fraction form
    8,972/11,722 = 11,722/x
  3. Step 3: Cross multiply
    8,972x = 11,722 × 11,722
  4. Step 4: Simplify right side
    8,972x = 137,405,284
  5. Step 5: Solve for x
    x = 137,405,284/8,972
  6. Step 6: Final answer
    x = 15,314.90

Related Problems

Find third proportional to 4,486 and 5,861
Half scale
Find third proportional to 17,944 and 23,444
Double scale
Find third proportional to 8,974 and 11,725
Similar ratio
Find third proportional to 13,458 and 17,583
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.