Home / 9,761-20,665

Finding the Third Proportional to 9,761 and 20,665

Calculator

Solution

The third proportional to 9,761 and 20,665 is: 43,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761 : 20,665 = 20,665 : x
  2. Step 2: Convert to fraction form
    9,761/20,665 = 20,665/x
  3. Step 3: Cross multiply
    9,761x = 20,665 × 20,665
  4. Step 4: Simplify right side
    9,761x = 427,042,225
  5. Step 5: Solve for x
    x = 427,042,225/9,761
  6. Step 6: Final answer
    x = 43,749.84

Related Problems

Find third proportional to 4,880.50 and 10,332.50
Half scale
Find third proportional to 19,522 and 41,330
Double scale
Find third proportional to 9,763 and 20,669
Similar ratio
Find third proportional to 14,641.50 and 30,997.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.