Home / 28,978-62,289

Finding the Third Proportional to 28,978 and 62,289

Calculator

Solution

The third proportional to 28,978 and 62,289 is: 133,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978 : 62,289 = 62,289 : x
  2. Step 2: Convert to fraction form
    28,978/62,289 = 62,289/x
  3. Step 3: Cross multiply
    28,978x = 62,289 × 62,289
  4. Step 4: Simplify right side
    28,978x = 3,879,919,521
  5. Step 5: Solve for x
    x = 3,879,919,521/28,978
  6. Step 6: Final answer
    x = 133,891.90

Related Problems

Find third proportional to 14,489 and 31,144.50
Half scale
Find third proportional to 57,956 and 124,578
Double scale
Find third proportional to 28,980 and 62,293
Similar ratio
Find third proportional to 43,467 and 93,433.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.