Home / 4,515-9,771

Finding the Third Proportional to 4,515 and 9,771

Calculator

Solution

The third proportional to 4,515 and 9,771 is: 21,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515 : 9,771 = 9,771 : x
  2. Step 2: Convert to fraction form
    4,515/9,771 = 9,771/x
  3. Step 3: Cross multiply
    4,515x = 9,771 × 9,771
  4. Step 4: Simplify right side
    4,515x = 95,472,441
  5. Step 5: Solve for x
    x = 95,472,441/4,515
  6. Step 6: Final answer
    x = 21,145.61

Related Problems

Find third proportional to 2,257.50 and 4,885.50
Half scale
Find third proportional to 9,030 and 19,542
Double scale
Find third proportional to 4,517 and 9,775
Similar ratio
Find third proportional to 6,772.50 and 14,656.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.