Home / 425,904-638,864

Finding the Third Proportional to 425,904 and 638,864

Calculator

Solution

The third proportional to 425,904 and 638,864 is: 958,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,904 : 638,864 = 638,864 : x
  2. Step 2: Convert to fraction form
    425,904/638,864 = 638,864/x
  3. Step 3: Cross multiply
    425,904x = 638,864 × 638,864
  4. Step 4: Simplify right side
    425,904x = 408,147,210,496
  5. Step 5: Solve for x
    x = 408,147,210,496/425,904
  6. Step 6: Final answer
    x = 958,308.00

Related Problems

Find third proportional to 212,952 and 319,432
Half scale
Find third proportional to 851,808 and 1,277,728
Double scale
Find third proportional to 425,906 and 638,867
Similar ratio
Find third proportional to 638,856 and 958,296
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.