Home / 7,722-15,717

Finding the Third Proportional to 7,722 and 15,717

Calculator

Solution

The third proportional to 7,722 and 15,717 is: 31,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722 : 15,717 = 15,717 : x
  2. Step 2: Convert to fraction form
    7,722/15,717 = 15,717/x
  3. Step 3: Cross multiply
    7,722x = 15,717 × 15,717
  4. Step 4: Simplify right side
    7,722x = 247,024,089
  5. Step 5: Solve for x
    x = 247,024,089/7,722
  6. Step 6: Final answer
    x = 31,989.65

Related Problems

Find third proportional to 3,861 and 7,858.50
Half scale
Find third proportional to 15,444 and 31,434
Double scale
Find third proportional to 7,724 and 15,721
Similar ratio
Find third proportional to 11,583 and 23,575.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.