Home / 290,823-627,474

Finding the Third Proportional to 290,823 and 627,474

Calculator

Solution

The third proportional to 290,823 and 627,474 is: 1,353,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,823 : 627,474 = 627,474 : x
  2. Step 2: Convert to fraction form
    290,823/627,474 = 627,474/x
  3. Step 3: Cross multiply
    290,823x = 627,474 × 627,474
  4. Step 4: Simplify right side
    290,823x = 393,723,620,676
  5. Step 5: Solve for x
    x = 393,723,620,676/290,823
  6. Step 6: Final answer
    x = 1,353,825.59

Related Problems

Find third proportional to 145,411.50 and 313,737
Half scale
Find third proportional to 581,646 and 1,254,948
Double scale
Find third proportional to 290,825 and 627,478
Similar ratio
Find third proportional to 436,234.50 and 941,211
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.