Home / 638,604-887,922

Finding the Third Proportional to 638,604 and 887,922

Calculator

Solution

The third proportional to 638,604 and 887,922 is: 1,234,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,604 : 887,922 = 887,922 : x
  2. Step 2: Convert to fraction form
    638,604/887,922 = 887,922/x
  3. Step 3: Cross multiply
    638,604x = 887,922 × 887,922
  4. Step 4: Simplify right side
    638,604x = 788,405,478,084
  5. Step 5: Solve for x
    x = 788,405,478,084/638,604
  6. Step 6: Final answer
    x = 1,234,576.48

Related Problems

Find third proportional to 319,302 and 443,961
Half scale
Find third proportional to 1,277,208 and 1,775,844
Double scale
Find third proportional to 638,606 and 887,925
Similar ratio
Find third proportional to 957,906 and 1,331,883
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.