Home / 285,970-627,956

Finding the Third Proportional to 285,970 and 627,956

Calculator

Solution

The third proportional to 285,970 and 627,956 is: 1,378,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,970 : 627,956 = 627,956 : x
  2. Step 2: Convert to fraction form
    285,970/627,956 = 627,956/x
  3. Step 3: Cross multiply
    285,970x = 627,956 × 627,956
  4. Step 4: Simplify right side
    285,970x = 394,328,737,936
  5. Step 5: Solve for x
    x = 394,328,737,936/285,970
  6. Step 6: Final answer
    x = 1,378,916.45

Related Problems

Find third proportional to 142,985 and 313,978
Half scale
Find third proportional to 571,940 and 1,255,912
Double scale
Find third proportional to 285,972 and 627,960
Similar ratio
Find third proportional to 428,955 and 941,934
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.