Home / 221,677-343,951

Finding the Third Proportional to 221,677 and 343,951

Calculator

Solution

The third proportional to 221,677 and 343,951 is: 533,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,677 : 343,951 = 343,951 : x
  2. Step 2: Convert to fraction form
    221,677/343,951 = 343,951/x
  3. Step 3: Cross multiply
    221,677x = 343,951 × 343,951
  4. Step 4: Simplify right side
    221,677x = 118,302,290,401
  5. Step 5: Solve for x
    x = 118,302,290,401/221,677
  6. Step 6: Final answer
    x = 533,669.67

Related Problems

Find third proportional to 110,838.50 and 171,975.50
Half scale
Find third proportional to 443,354 and 687,902
Double scale
Find third proportional to 221,679 and 343,954
Similar ratio
Find third proportional to 332,515.50 and 515,926.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.