Home / 51,216-76,824

Finding the Third Proportional to 51,216 and 76,824

Calculator

Solution

The third proportional to 51,216 and 76,824 is: 115,236

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216 : 76,824 = 76,824 : x
  2. Step 2: Convert to fraction form
    51,216/76,824 = 76,824/x
  3. Step 3: Cross multiply
    51,216x = 76,824 × 76,824
  4. Step 4: Simplify right side
    51,216x = 5,901,926,976
  5. Step 5: Solve for x
    x = 5,901,926,976/51,216
  6. Step 6: Final answer
    x = 115,236

Related Problems

Find third proportional to 25,608 and 38,412
Half scale
Find third proportional to 102,432 and 153,648
Double scale
Find third proportional to 51,218 and 76,827
Similar ratio
Find third proportional to 76,824 and 115,236
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.