Home / 14,356-20,221

Finding the Third Proportional to 14,356 and 20,221

Calculator

Solution

The third proportional to 14,356 and 20,221 is: 28,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356 : 20,221 = 20,221 : x
  2. Step 2: Convert to fraction form
    14,356/20,221 = 20,221/x
  3. Step 3: Cross multiply
    14,356x = 20,221 × 20,221
  4. Step 4: Simplify right side
    14,356x = 408,888,841
  5. Step 5: Solve for x
    x = 408,888,841/14,356
  6. Step 6: Final answer
    x = 28,482.09

Related Problems

Find third proportional to 7,178 and 10,110.50
Half scale
Find third proportional to 28,712 and 40,442
Double scale
Find third proportional to 14,358 and 20,224
Similar ratio
Find third proportional to 21,534 and 30,331.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.