Home / 131,430-202,221

Finding the Third Proportional to 131,430 and 202,221

Calculator

Solution

The third proportional to 131,430 and 202,221 is: 311,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430 : 202,221 = 202,221 : x
  2. Step 2: Convert to fraction form
    131,430/202,221 = 202,221/x
  3. Step 3: Cross multiply
    131,430x = 202,221 × 202,221
  4. Step 4: Simplify right side
    131,430x = 40,893,332,841
  5. Step 5: Solve for x
    x = 40,893,332,841/131,430
  6. Step 6: Final answer
    x = 311,141.54

Related Problems

Find third proportional to 65,715 and 101,110.50
Half scale
Find third proportional to 262,860 and 404,442
Double scale
Find third proportional to 131,432 and 202,224
Similar ratio
Find third proportional to 197,145 and 303,331.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.