Home / 9,686-20,641

Finding the Third Proportional to 9,686 and 20,641

Calculator

Solution

The third proportional to 9,686 and 20,641 is: 43,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686 : 20,641 = 20,641 : x
  2. Step 2: Convert to fraction form
    9,686/20,641 = 20,641/x
  3. Step 3: Cross multiply
    9,686x = 20,641 × 20,641
  4. Step 4: Simplify right side
    9,686x = 426,050,881
  5. Step 5: Solve for x
    x = 426,050,881/9,686
  6. Step 6: Final answer
    x = 43,986.26

Related Problems

Find third proportional to 4,843 and 10,320.50
Half scale
Find third proportional to 19,372 and 41,282
Double scale
Find third proportional to 9,688 and 20,645
Similar ratio
Find third proportional to 14,529 and 30,961.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.