Home / 139,489-202,753

Finding the Third Proportional to 139,489 and 202,753

Calculator

Solution

The third proportional to 139,489 and 202,753 is: 294,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,489 : 202,753 = 202,753 : x
  2. Step 2: Convert to fraction form
    139,489/202,753 = 202,753/x
  3. Step 3: Cross multiply
    139,489x = 202,753 × 202,753
  4. Step 4: Simplify right side
    139,489x = 41,108,779,009
  5. Step 5: Solve for x
    x = 41,108,779,009/139,489
  6. Step 6: Final answer
    x = 294,709.83

Related Problems

Find third proportional to 69,744.50 and 101,376.50
Half scale
Find third proportional to 278,978 and 405,506
Double scale
Find third proportional to 139,491 and 202,756
Similar ratio
Find third proportional to 209,233.50 and 304,129.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.