Home / 216.56-345.75

Finding the Third Proportional to 216.56 and 345.75

Calculator

Solution

The third proportional to 216.56 and 345.75 is: 552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.56 : 345.75 = 345.75 : x
  2. Step 2: Convert to fraction form
    216.56/345.75 = 345.75/x
  3. Step 3: Cross multiply
    216.56x = 345.75 × 345.75
  4. Step 4: Simplify right side
    216.56x = 119,543.06
  5. Step 5: Solve for x
    x = 119,543.06/216.56
  6. Step 6: Final answer
    x = 552.00

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.