Home / 332,498-688,648

Finding the Third Proportional to 332,498 and 688,648

Calculator

Solution

The third proportional to 332,498 and 688,648 is: 1,426,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,498 : 688,648 = 688,648 : x
  2. Step 2: Convert to fraction form
    332,498/688,648 = 688,648/x
  3. Step 3: Cross multiply
    332,498x = 688,648 × 688,648
  4. Step 4: Simplify right side
    332,498x = 474,236,067,904
  5. Step 5: Solve for x
    x = 474,236,067,904/332,498
  6. Step 6: Final answer
    x = 1,426,282.47

Related Problems

Find third proportional to 166,249 and 344,324
Half scale
Find third proportional to 664,996 and 1,377,296
Double scale
Find third proportional to 332,500 and 688,652
Similar ratio
Find third proportional to 498,747 and 1,032,972
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.