Home / 8,958-19,620.75

Finding the Third Proportional to 8,958 and 19,620.75

Calculator

Solution

The third proportional to 8,958 and 19,620.75 is: 42,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958 : 19,620.75 = 19,620.75 : x
  2. Step 2: Convert to fraction form
    8,958/19,620.75 = 19,620.75/x
  3. Step 3: Cross multiply
    8,958x = 19,620.75 × 19,620.75
  4. Step 4: Simplify right side
    8,958x = 384,973,830.56
  5. Step 5: Solve for x
    x = 384,973,830.56/8,958
  6. Step 6: Final answer
    x = 42,975.42

Related Problems

Find third proportional to 4,479 and 9,810.38
Half scale
Find third proportional to 17,916 and 39,241.50
Double scale
Find third proportional to 8,960 and 19,625
Similar ratio
Find third proportional to 13,437 and 29,431.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.