Home / 30,992-68,872

Finding the Third Proportional to 30,992 and 68,872

Calculator

Solution

The third proportional to 30,992 and 68,872 is: 153,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992 : 68,872 = 68,872 : x
  2. Step 2: Convert to fraction form
    30,992/68,872 = 68,872/x
  3. Step 3: Cross multiply
    30,992x = 68,872 × 68,872
  4. Step 4: Simplify right side
    30,992x = 4,743,352,384
  5. Step 5: Solve for x
    x = 4,743,352,384/30,992
  6. Step 6: Final answer
    x = 153,050.86

Related Problems

Find third proportional to 15,496 and 34,436
Half scale
Find third proportional to 61,984 and 137,744
Double scale
Find third proportional to 30,994 and 68,876
Similar ratio
Find third proportional to 46,488 and 103,308
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.