Home / 289,866-627,983

Finding the Third Proportional to 289,866 and 627,983

Calculator

Solution

The third proportional to 289,866 and 627,983 is: 1,360,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,866 : 627,983 = 627,983 : x
  2. Step 2: Convert to fraction form
    289,866/627,983 = 627,983/x
  3. Step 3: Cross multiply
    289,866x = 627,983 × 627,983
  4. Step 4: Simplify right side
    289,866x = 394,362,648,289
  5. Step 5: Solve for x
    x = 394,362,648,289/289,866
  6. Step 6: Final answer
    x = 1,360,499.85

Related Problems

Find third proportional to 144,933 and 313,991.50
Half scale
Find third proportional to 579,732 and 1,255,966
Double scale
Find third proportional to 289,868 and 627,987
Similar ratio
Find third proportional to 434,799 and 941,974.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.