Home / 442,829-664,689

Finding the Third Proportional to 442,829 and 664,689

Calculator

Solution

The third proportional to 442,829 and 664,689 is: 997,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,829 : 664,689 = 664,689 : x
  2. Step 2: Convert to fraction form
    442,829/664,689 = 664,689/x
  3. Step 3: Cross multiply
    442,829x = 664,689 × 664,689
  4. Step 4: Simplify right side
    442,829x = 441,811,466,721
  5. Step 5: Solve for x
    x = 441,811,466,721/442,829
  6. Step 6: Final answer
    x = 997,702.20

Related Problems

Find third proportional to 221,414.50 and 332,344.50
Half scale
Find third proportional to 885,658 and 1,329,378
Double scale
Find third proportional to 442,831 and 664,692
Similar ratio
Find third proportional to 664,243.50 and 997,033.50
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.