Home / 332,487-688,626

Finding the Third Proportional to 332,487 and 688,626

Calculator

Solution

The third proportional to 332,487 and 688,626 is: 1,426,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,487 : 688,626 = 688,626 : x
  2. Step 2: Convert to fraction form
    332,487/688,626 = 688,626/x
  3. Step 3: Cross multiply
    332,487x = 688,626 × 688,626
  4. Step 4: Simplify right side
    332,487x = 474,205,767,876
  5. Step 5: Solve for x
    x = 474,205,767,876/332,487
  6. Step 6: Final answer
    x = 1,426,238.52

Related Problems

Find third proportional to 166,243.50 and 344,313
Half scale
Find third proportional to 664,974 and 1,377,252
Double scale
Find third proportional to 332,489 and 688,630
Similar ratio
Find third proportional to 498,730.50 and 1,032,939
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.