Home / 215,232-439,968

Finding the Third Proportional to 215,232 and 439,968

Calculator

Solution

The third proportional to 215,232 and 439,968 is: 899,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,232 : 439,968 = 439,968 : x
  2. Step 2: Convert to fraction form
    215,232/439,968 = 439,968/x
  3. Step 3: Cross multiply
    215,232x = 439,968 × 439,968
  4. Step 4: Simplify right side
    215,232x = 193,571,841,024
  5. Step 5: Solve for x
    x = 193,571,841,024/215,232
  6. Step 6: Final answer
    x = 899,363.67

Related Problems

Find third proportional to 107,616 and 219,984
Half scale
Find third proportional to 430,464 and 879,936
Double scale
Find third proportional to 215,234 and 439,972
Similar ratio
Find third proportional to 322,848 and 659,952
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.