Home / 274,661-424,436

Finding the Third Proportional to 274,661 and 424,436

Calculator

Solution

The third proportional to 274,661 and 424,436 is: 655,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,661 : 424,436 = 424,436 : x
  2. Step 2: Convert to fraction form
    274,661/424,436 = 424,436/x
  3. Step 3: Cross multiply
    274,661x = 424,436 × 424,436
  4. Step 4: Simplify right side
    274,661x = 180,145,918,096
  5. Step 5: Solve for x
    x = 180,145,918,096/274,661
  6. Step 6: Final answer
    x = 655,884.59

Related Problems

Find third proportional to 137,330.50 and 212,218
Half scale
Find third proportional to 549,322 and 848,872
Double scale
Find third proportional to 274,663 and 424,439
Similar ratio
Find third proportional to 411,991.50 and 636,654
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.