Home / 8,896-20,921

Finding the Third Proportional to 8,896 and 20,921

Calculator

Solution

The third proportional to 8,896 and 20,921 is: 49,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896 : 20,921 = 20,921 : x
  2. Step 2: Convert to fraction form
    8,896/20,921 = 20,921/x
  3. Step 3: Cross multiply
    8,896x = 20,921 × 20,921
  4. Step 4: Simplify right side
    8,896x = 437,688,241
  5. Step 5: Solve for x
    x = 437,688,241/8,896
  6. Step 6: Final answer
    x = 49,200.57

Related Problems

Find third proportional to 4,448 and 10,460.50
Half scale
Find third proportional to 17,792 and 41,842
Double scale
Find third proportional to 8,898 and 20,926
Similar ratio
Find third proportional to 13,344 and 31,381.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.