Home / 196-260

Finding the Third Proportional to 196 and 260

Calculator

Solution

The third proportional to 196 and 260 is: 344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196 : 260 = 260 : x
  2. Step 2: Convert to fraction form
    196/260 = 260/x
  3. Step 3: Cross multiply
    196x = 260 × 260
  4. Step 4: Simplify right side
    196x = 67,600
  5. Step 5: Solve for x
    x = 67,600/196
  6. Step 6: Final answer
    x = 344.90

Related Problems

Find third proportional to 98 and 130
Half scale
Find third proportional to 392 and 520
Double scale
Find third proportional to 198 and 263
Similar ratio
Find third proportional to 294 and 390
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.