Home / 47.50-101.31

Finding the Third Proportional to 47.50 and 101.31

Calculator

Solution

The third proportional to 47.50 and 101.31 is: 216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.50 : 101.31 = 101.31 : x
  2. Step 2: Convert to fraction form
    47.50/101.31 = 101.31/x
  3. Step 3: Cross multiply
    47.50x = 101.31 × 101.31
  4. Step 4: Simplify right side
    47.50x = 10,264.22
  5. Step 5: Solve for x
    x = 10,264.22/47.50
  6. Step 6: Final answer
    x = 216.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.