Home / 21,800-46,221

Finding the Third Proportional to 21,800 and 46,221

Calculator

Solution

The third proportional to 21,800 and 46,221 is: 97,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800 : 46,221 = 46,221 : x
  2. Step 2: Convert to fraction form
    21,800/46,221 = 46,221/x
  3. Step 3: Cross multiply
    21,800x = 46,221 × 46,221
  4. Step 4: Simplify right side
    21,800x = 2,136,380,841
  5. Step 5: Solve for x
    x = 2,136,380,841/21,800
  6. Step 6: Final answer
    x = 97,999.12

Related Problems

Find third proportional to 10,900 and 23,110.50
Half scale
Find third proportional to 43,600 and 92,442
Double scale
Find third proportional to 21,802 and 46,225
Similar ratio
Find third proportional to 32,700 and 69,331.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.