Home / 14.77-19.76

Finding the Third Proportional to 14.77 and 19.76

Calculator

Solution

The third proportional to 14.77 and 19.76 is: 26.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.77 : 19.76 = 19.76 : x
  2. Step 2: Convert to fraction form
    14.77/19.76 = 19.76/x
  3. Step 3: Cross multiply
    14.77x = 19.76 × 19.76
  4. Step 4: Simplify right side
    14.77x = 390.28
  5. Step 5: Solve for x
    x = 390.28/14.77
  6. Step 6: Final answer
    x = 26.42

Related Problems

Find third proportional to 7.39 and 9.88
Half scale
Find third proportional to 29.54 and 39.51
Double scale
Find third proportional to 17 and 22
Similar ratio
Find third proportional to 22.16 and 29.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.