Home / 69.56-101.81

Finding the Third Proportional to 69.56 and 101.81

Calculator

Solution

The third proportional to 69.56 and 101.81 is: 149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.56 : 101.81 = 101.81 : x
  2. Step 2: Convert to fraction form
    69.56/101.81 = 101.81/x
  3. Step 3: Cross multiply
    69.56x = 101.81 × 101.81
  4. Step 4: Simplify right side
    69.56x = 10,365.79
  5. Step 5: Solve for x
    x = 10,365.79/69.56
  6. Step 6: Final answer
    x = 149.01

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.