Home / 21,696-29,296

Finding the Third Proportional to 21,696 and 29,296

Calculator

Solution

The third proportional to 21,696 and 29,296 is: 39,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696 : 29,296 = 29,296 : x
  2. Step 2: Convert to fraction form
    21,696/29,296 = 29,296/x
  3. Step 3: Cross multiply
    21,696x = 29,296 × 29,296
  4. Step 4: Simplify right side
    21,696x = 858,255,616
  5. Step 5: Solve for x
    x = 858,255,616/21,696
  6. Step 6: Final answer
    x = 39,558.24

Related Problems

Find third proportional to 10,848 and 14,648
Half scale
Find third proportional to 43,392 and 58,592
Double scale
Find third proportional to 21,698 and 29,299
Similar ratio
Find third proportional to 32,544 and 43,944
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.