Home / 402,078-837,228

Finding the Third Proportional to 402,078 and 837,228

Calculator

Solution

The third proportional to 402,078 and 837,228 is: 1,743,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,078 : 837,228 = 837,228 : x
  2. Step 2: Convert to fraction form
    402,078/837,228 = 837,228/x
  3. Step 3: Cross multiply
    402,078x = 837,228 × 837,228
  4. Step 4: Simplify right side
    402,078x = 700,950,723,984
  5. Step 5: Solve for x
    x = 700,950,723,984/402,078
  6. Step 6: Final answer
    x = 1,743,320.26

Related Problems

Find third proportional to 201,039 and 418,614
Half scale
Find third proportional to 804,156 and 1,674,456
Double scale
Find third proportional to 402,080 and 837,232
Similar ratio
Find third proportional to 603,117 and 1,255,842
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.