Home / 141-263

Finding the Third Proportional to 141 and 263

Calculator

Solution

The third proportional to 141 and 263 is: 490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141 : 263 = 263 : x
  2. Step 2: Convert to fraction form
    141/263 = 263/x
  3. Step 3: Cross multiply
    141x = 263 × 263
  4. Step 4: Simplify right side
    141x = 69,169
  5. Step 5: Solve for x
    x = 69,169/141
  6. Step 6: Final answer
    x = 490.56

Related Problems

Find third proportional to 70.50 and 131.50
Half scale
Find third proportional to 282 and 526
Double scale
Find third proportional to 143 and 267
Similar ratio
Find third proportional to 211.50 and 394.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.