Home / 443-497

Finding the Third Proportional to 443 and 497

Calculator

Solution

The third proportional to 443 and 497 is: 557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    443 : 497 = 497 : x
  2. Step 2: Convert to fraction form
    443/497 = 497/x
  3. Step 3: Cross multiply
    443x = 497 × 497
  4. Step 4: Simplify right side
    443x = 247,009
  5. Step 5: Solve for x
    x = 247,009/443
  6. Step 6: Final answer
    x = 557.58

Related Problems

Find third proportional to 221.50 and 248.50
Half scale
Find third proportional to 886 and 994
Double scale
Find third proportional to 445 and 499
Similar ratio
Find third proportional to 664.50 and 745.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.