Home / 12,447-22,221

Finding the Third Proportional to 12,447 and 22,221

Calculator

Solution

The third proportional to 12,447 and 22,221 is: 39,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447 : 22,221 = 22,221 : x
  2. Step 2: Convert to fraction form
    12,447/22,221 = 22,221/x
  3. Step 3: Cross multiply
    12,447x = 22,221 × 22,221
  4. Step 4: Simplify right side
    12,447x = 493,772,841
  5. Step 5: Solve for x
    x = 493,772,841/12,447
  6. Step 6: Final answer
    x = 39,670.03

Related Problems

Find third proportional to 6,223.50 and 11,110.50
Half scale
Find third proportional to 24,894 and 44,442
Double scale
Find third proportional to 12,449 and 22,225
Similar ratio
Find third proportional to 18,670.50 and 33,331.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.