Home / 9,924-21,855

Finding the Third Proportional to 9,924 and 21,855

Calculator

Solution

The third proportional to 9,924 and 21,855 is: 48,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924 : 21,855 = 21,855 : x
  2. Step 2: Convert to fraction form
    9,924/21,855 = 21,855/x
  3. Step 3: Cross multiply
    9,924x = 21,855 × 21,855
  4. Step 4: Simplify right side
    9,924x = 477,641,025
  5. Step 5: Solve for x
    x = 477,641,025/9,924
  6. Step 6: Final answer
    x = 48,129.89

Related Problems

Find third proportional to 4,962 and 10,927.50
Half scale
Find third proportional to 19,848 and 43,710
Double scale
Find third proportional to 9,926 and 21,859
Similar ratio
Find third proportional to 14,886 and 32,782.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.