Home / 443,669-665,287

Finding the Third Proportional to 443,669 and 665,287

Calculator

Solution

The third proportional to 443,669 and 665,287 is: 997,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,669 : 665,287 = 665,287 : x
  2. Step 2: Convert to fraction form
    443,669/665,287 = 665,287/x
  3. Step 3: Cross multiply
    443,669x = 665,287 × 665,287
  4. Step 4: Simplify right side
    443,669x = 442,606,792,369
  5. Step 5: Solve for x
    x = 442,606,792,369/443,669
  6. Step 6: Final answer
    x = 997,605.86

Related Problems

Find third proportional to 221,834.50 and 332,643.50
Half scale
Find third proportional to 887,338 and 1,330,574
Double scale
Find third proportional to 443,671 and 665,290
Similar ratio
Find third proportional to 665,503.50 and 997,930.50
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.