Home / 43,027-66,789

Finding the Third Proportional to 43,027 and 66,789

Calculator

Solution

The third proportional to 43,027 and 66,789 is: 103,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,027 : 66,789 = 66,789 : x
  2. Step 2: Convert to fraction form
    43,027/66,789 = 66,789/x
  3. Step 3: Cross multiply
    43,027x = 66,789 × 66,789
  4. Step 4: Simplify right side
    43,027x = 4,460,770,521
  5. Step 5: Solve for x
    x = 4,460,770,521/43,027
  6. Step 6: Final answer
    x = 103,673.75

Related Problems

Find third proportional to 21,513.50 and 33,394.50
Half scale
Find third proportional to 86,054 and 133,578
Double scale
Find third proportional to 43,029 and 66,792
Similar ratio
Find third proportional to 64,540.50 and 100,183.50
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.