Home / 677,638-903,395

Finding the Third Proportional to 677,638 and 903,395

Calculator

Solution

The third proportional to 677,638 and 903,395 is: 1,204,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,638 : 903,395 = 903,395 : x
  2. Step 2: Convert to fraction form
    677,638/903,395 = 903,395/x
  3. Step 3: Cross multiply
    677,638x = 903,395 × 903,395
  4. Step 4: Simplify right side
    677,638x = 816,122,526,025
  5. Step 5: Solve for x
    x = 816,122,526,025/677,638
  6. Step 6: Final answer
    x = 1,204,363.58

Related Problems

Find third proportional to 338,819 and 451,697.50
Half scale
Find third proportional to 1,355,276 and 1,806,790
Double scale
Find third proportional to 677,640 and 903,398
Similar ratio
Find third proportional to 1,016,457 and 1,355,092.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.