Home / 235,938-509,418

Finding the Third Proportional to 235,938 and 509,418

Calculator

Solution

The third proportional to 235,938 and 509,418 is: 1,099,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,938 : 509,418 = 509,418 : x
  2. Step 2: Convert to fraction form
    235,938/509,418 = 509,418/x
  3. Step 3: Cross multiply
    235,938x = 509,418 × 509,418
  4. Step 4: Simplify right side
    235,938x = 259,506,698,724
  5. Step 5: Solve for x
    x = 259,506,698,724/235,938
  6. Step 6: Final answer
    x = 1,099,893.61

Related Problems

Find third proportional to 117,969 and 254,709
Half scale
Find third proportional to 471,876 and 1,018,836
Double scale
Find third proportional to 235,940 and 509,422
Similar ratio
Find third proportional to 353,907 and 764,127
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.