Home / 63,217-135,805

Finding the Third Proportional to 63,217 and 135,805

Calculator

Solution

The third proportional to 63,217 and 135,805 is: 291,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,217 : 135,805 = 135,805 : x
  2. Step 2: Convert to fraction form
    63,217/135,805 = 135,805/x
  3. Step 3: Cross multiply
    63,217x = 135,805 × 135,805
  4. Step 4: Simplify right side
    63,217x = 18,442,998,025
  5. Step 5: Solve for x
    x = 18,442,998,025/63,217
  6. Step 6: Final answer
    x = 291,741.11

Related Problems

Find third proportional to 31,608.50 and 67,902.50
Half scale
Find third proportional to 126,434 and 271,610
Double scale
Find third proportional to 63,219 and 135,809
Similar ratio
Find third proportional to 94,825.50 and 203,707.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.