Home / 153-165.75

Finding the Third Proportional to 153 and 165.75

Calculator

Solution

The third proportional to 153 and 165.75 is: 179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153 : 165.75 = 165.75 : x
  2. Step 2: Convert to fraction form
    153/165.75 = 165.75/x
  3. Step 3: Cross multiply
    153x = 165.75 × 165.75
  4. Step 4: Simplify right side
    153x = 27,473.06
  5. Step 5: Solve for x
    x = 27,473.06/153
  6. Step 6: Final answer
    x = 179.56

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.