Home / 9,999-21,762

Finding the Third Proportional to 9,999 and 21,762

Calculator

Solution

The third proportional to 9,999 and 21,762 is: 47,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999 : 21,762 = 21,762 : x
  2. Step 2: Convert to fraction form
    9,999/21,762 = 21,762/x
  3. Step 3: Cross multiply
    9,999x = 21,762 × 21,762
  4. Step 4: Simplify right side
    9,999x = 473,584,644
  5. Step 5: Solve for x
    x = 473,584,644/9,999
  6. Step 6: Final answer
    x = 47,363.20

Related Problems

Find third proportional to 4,999.50 and 10,881
Half scale
Find third proportional to 19,998 and 43,524
Double scale
Find third proportional to 10,001 and 21,766
Similar ratio
Find third proportional to 14,998.50 and 32,643
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.