Home / 442-663

Finding the Third Proportional to 442 and 663

Calculator

Solution

The third proportional to 442 and 663 is: 994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442 : 663 = 663 : x
  2. Step 2: Convert to fraction form
    442/663 = 663/x
  3. Step 3: Cross multiply
    442x = 663 × 663
  4. Step 4: Simplify right side
    442x = 439,569
  5. Step 5: Solve for x
    x = 439,569/442
  6. Step 6: Final answer
    x = 994.50

Related Problems

Find third proportional to 221 and 331.50
Half scale
Find third proportional to 884 and 1,326
Double scale
Find third proportional to 444 and 666
Similar ratio
Find third proportional to 663 and 994.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.