Home / 79,929-119,345

Finding the Third Proportional to 79,929 and 119,345

Calculator

Solution

The third proportional to 79,929 and 119,345 is: 178,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,929 : 119,345 = 119,345 : x
  2. Step 2: Convert to fraction form
    79,929/119,345 = 119,345/x
  3. Step 3: Cross multiply
    79,929x = 119,345 × 119,345
  4. Step 4: Simplify right side
    79,929x = 14,243,229,025
  5. Step 5: Solve for x
    x = 14,243,229,025/79,929
  6. Step 6: Final answer
    x = 178,198.51

Related Problems

Find third proportional to 39,964.50 and 59,672.50
Half scale
Find third proportional to 159,858 and 238,690
Double scale
Find third proportional to 79,931 and 119,348
Similar ratio
Find third proportional to 119,893.50 and 179,017.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.