Home / 142,650-220,769

Finding the Third Proportional to 142,650 and 220,769

Calculator

Solution

The third proportional to 142,650 and 220,769 is: 341,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,650 : 220,769 = 220,769 : x
  2. Step 2: Convert to fraction form
    142,650/220,769 = 220,769/x
  3. Step 3: Cross multiply
    142,650x = 220,769 × 220,769
  4. Step 4: Simplify right side
    142,650x = 48,738,951,361
  5. Step 5: Solve for x
    x = 48,738,951,361/142,650
  6. Step 6: Final answer
    x = 341,668.08

Related Problems

Find third proportional to 71,325 and 110,384.50
Half scale
Find third proportional to 285,300 and 441,538
Double scale
Find third proportional to 142,652 and 220,772
Similar ratio
Find third proportional to 213,975 and 331,153.50
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.