Home / 61-145.75

Finding the Third Proportional to 61 and 145.75

Calculator

Solution

The third proportional to 61 and 145.75 is: 348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61 : 145.75 = 145.75 : x
  2. Step 2: Convert to fraction form
    61/145.75 = 145.75/x
  3. Step 3: Cross multiply
    61x = 145.75 × 145.75
  4. Step 4: Simplify right side
    61x = 21,243.06
  5. Step 5: Solve for x
    x = 21,243.06/61
  6. Step 6: Final answer
    x = 348.25

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.