Home / 451.50-486

Finding the Third Proportional to 451.50 and 486

Calculator

Solution

The third proportional to 451.50 and 486 is: 523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.50 : 486 = 486 : x
  2. Step 2: Convert to fraction form
    451.50/486 = 486/x
  3. Step 3: Cross multiply
    451.50x = 486 × 486
  4. Step 4: Simplify right side
    451.50x = 236,196
  5. Step 5: Solve for x
    x = 236,196/451.50
  6. Step 6: Final answer
    x = 523.14

Related Problems

Find third proportional to 225.75 and 243
Half scale
Find third proportional to 903 and 972
Double scale
Find third proportional to 454 and 488
Similar ratio
Find third proportional to 677.25 and 729
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.