Home / 221,490-332,163.50

Finding the Third Proportional to 221,490 and 332,163.50

Calculator

Solution

The third proportional to 221,490 and 332,163.50 is: 498,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,490 : 332,163.50 = 332,163.50 : x
  2. Step 2: Convert to fraction form
    221,490/332,163.50 = 332,163.50/x
  3. Step 3: Cross multiply
    221,490x = 332,163.50 × 332,163.50
  4. Step 4: Simplify right side
    221,490x = 110,332,590,732.25
  5. Step 5: Solve for x
    x = 110,332,590,732.25/221,490
  6. Step 6: Final answer
    x = 498,138.02

Related Problems

Find third proportional to 110,745 and 166,081.75
Half scale
Find third proportional to 442,980 and 664,327
Double scale
Find third proportional to 221,492 and 332,166
Similar ratio
Find third proportional to 332,235 and 498,245.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.