Home / 9,728-20,808

Finding the Third Proportional to 9,728 and 20,808

Calculator

Solution

The third proportional to 9,728 and 20,808 is: 44,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728 : 20,808 = 20,808 : x
  2. Step 2: Convert to fraction form
    9,728/20,808 = 20,808/x
  3. Step 3: Cross multiply
    9,728x = 20,808 × 20,808
  4. Step 4: Simplify right side
    9,728x = 432,972,864
  5. Step 5: Solve for x
    x = 432,972,864/9,728
  6. Step 6: Final answer
    x = 44,507.90

Related Problems

Find third proportional to 4,864 and 10,404
Half scale
Find third proportional to 19,456 and 41,616
Double scale
Find third proportional to 9,730 and 20,812
Similar ratio
Find third proportional to 14,592 and 31,212
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.