Home / 949.50-1,989

Finding the Third Proportional to 949.50 and 1,989

Calculator

Solution

The third proportional to 949.50 and 1,989 is: 4,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.50 : 1,989 = 1,989 : x
  2. Step 2: Convert to fraction form
    949.50/1,989 = 1,989/x
  3. Step 3: Cross multiply
    949.50x = 1,989 × 1,989
  4. Step 4: Simplify right side
    949.50x = 3,956,121
  5. Step 5: Solve for x
    x = 3,956,121/949.50
  6. Step 6: Final answer
    x = 4,166.53

Related Problems

Find third proportional to 474.75 and 994.50
Half scale
Find third proportional to 1,899 and 3,978
Double scale
Find third proportional to 952 and 1,993
Similar ratio
Find third proportional to 1,424.25 and 2,983.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.