Home / 221,007-339,900

Finding the Third Proportional to 221,007 and 339,900

Calculator

Solution

The third proportional to 221,007 and 339,900 is: 522,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,007 : 339,900 = 339,900 : x
  2. Step 2: Convert to fraction form
    221,007/339,900 = 339,900/x
  3. Step 3: Cross multiply
    221,007x = 339,900 × 339,900
  4. Step 4: Simplify right side
    221,007x = 115,532,010,000
  5. Step 5: Solve for x
    x = 115,532,010,000/221,007
  6. Step 6: Final answer
    x = 522,752.72

Related Problems

Find third proportional to 110,503.50 and 169,950
Half scale
Find third proportional to 442,014 and 679,800
Double scale
Find third proportional to 221,009 and 339,903
Similar ratio
Find third proportional to 331,510.50 and 509,850
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.