Home / 9,829-21,485

Finding the Third Proportional to 9,829 and 21,485

Calculator

Solution

The third proportional to 9,829 and 21,485 is: 46,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829 : 21,485 = 21,485 : x
  2. Step 2: Convert to fraction form
    9,829/21,485 = 21,485/x
  3. Step 3: Cross multiply
    9,829x = 21,485 × 21,485
  4. Step 4: Simplify right side
    9,829x = 461,605,225
  5. Step 5: Solve for x
    x = 461,605,225/9,829
  6. Step 6: Final answer
    x = 46,963.60

Related Problems

Find third proportional to 4,914.50 and 10,742.50
Half scale
Find third proportional to 19,658 and 42,970
Double scale
Find third proportional to 9,831 and 21,489
Similar ratio
Find third proportional to 14,743.50 and 32,227.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.