Home / 427,336-618,956

Finding the Third Proportional to 427,336 and 618,956

Calculator

Solution

The third proportional to 427,336 and 618,956 is: 896,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,336 : 618,956 = 618,956 : x
  2. Step 2: Convert to fraction form
    427,336/618,956 = 618,956/x
  3. Step 3: Cross multiply
    427,336x = 618,956 × 618,956
  4. Step 4: Simplify right side
    427,336x = 383,106,529,936
  5. Step 5: Solve for x
    x = 383,106,529,936/427,336
  6. Step 6: Final answer
    x = 896,499.55

Related Problems

Find third proportional to 213,668 and 309,478
Half scale
Find third proportional to 854,672 and 1,237,912
Double scale
Find third proportional to 427,338 and 618,959
Similar ratio
Find third proportional to 641,004 and 928,434
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.