Home / 239.50-277

Finding the Third Proportional to 239.50 and 277

Calculator

Solution

The third proportional to 239.50 and 277 is: 320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.50 : 277 = 277 : x
  2. Step 2: Convert to fraction form
    239.50/277 = 277/x
  3. Step 3: Cross multiply
    239.50x = 277 × 277
  4. Step 4: Simplify right side
    239.50x = 76,729
  5. Step 5: Solve for x
    x = 76,729/239.50
  6. Step 6: Final answer
    x = 320.37

Related Problems

Find third proportional to 119.75 and 138.50
Half scale
Find third proportional to 479 and 554
Double scale
Find third proportional to 242 and 279
Similar ratio
Find third proportional to 359.25 and 415.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.