Home / 51,462-79,812

Finding the Third Proportional to 51,462 and 79,812

Calculator

Solution

The third proportional to 51,462 and 79,812 is: 123,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,462 : 79,812 = 79,812 : x
  2. Step 2: Convert to fraction form
    51,462/79,812 = 79,812/x
  3. Step 3: Cross multiply
    51,462x = 79,812 × 79,812
  4. Step 4: Simplify right side
    51,462x = 6,369,955,344
  5. Step 5: Solve for x
    x = 6,369,955,344/51,462
  6. Step 6: Final answer
    x = 123,779.79

Related Problems

Find third proportional to 25,731 and 39,906
Half scale
Find third proportional to 102,924 and 159,624
Double scale
Find third proportional to 51,464 and 79,815
Similar ratio
Find third proportional to 77,193 and 119,718
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.