Home / 41.63-79.31

Finding the Third Proportional to 41.63 and 79.31

Calculator

Solution

The third proportional to 41.63 and 79.31 is: 151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.63 : 79.31 = 79.31 : x
  2. Step 2: Convert to fraction form
    41.63/79.31 = 79.31/x
  3. Step 3: Cross multiply
    41.63x = 79.31 × 79.31
  4. Step 4: Simplify right side
    41.63x = 6,290.47
  5. Step 5: Solve for x
    x = 6,290.47/41.63
  6. Step 6: Final answer
    x = 151.12

Related Problems

Find third proportional to 20.81 and 39.66
Half scale
Find third proportional to 83.25 and 158.63
Double scale
Find third proportional to 44 and 83
Similar ratio
Find third proportional to 62.44 and 118.97
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.