Home / 237.50-271.25

Finding the Third Proportional to 237.50 and 271.25

Calculator

Solution

The third proportional to 237.50 and 271.25 is: 309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.50 : 271.25 = 271.25 : x
  2. Step 2: Convert to fraction form
    237.50/271.25 = 271.25/x
  3. Step 3: Cross multiply
    237.50x = 271.25 × 271.25
  4. Step 4: Simplify right side
    237.50x = 73,576.56
  5. Step 5: Solve for x
    x = 73,576.56/237.50
  6. Step 6: Final answer
    x = 309.80

Related Problems

Find third proportional to 118.75 and 135.63
Half scale
Find third proportional to 475 and 542.50
Double scale
Find third proportional to 240 and 274
Similar ratio
Find third proportional to 356.25 and 406.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.