Home / 286,410-627,906

Finding the Third Proportional to 286,410 and 627,906

Calculator

Solution

The third proportional to 286,410 and 627,906 is: 1,376,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,410 : 627,906 = 627,906 : x
  2. Step 2: Convert to fraction form
    286,410/627,906 = 627,906/x
  3. Step 3: Cross multiply
    286,410x = 627,906 × 627,906
  4. Step 4: Simplify right side
    286,410x = 394,265,944,836
  5. Step 5: Solve for x
    x = 394,265,944,836/286,410
  6. Step 6: Final answer
    x = 1,376,578.84

Related Problems

Find third proportional to 143,205 and 313,953
Half scale
Find third proportional to 572,820 and 1,255,812
Double scale
Find third proportional to 286,412 and 627,910
Similar ratio
Find third proportional to 429,615 and 941,859
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.