Home / 13,722-19,603

Finding the Third Proportional to 13,722 and 19,603

Calculator

Solution

The third proportional to 13,722 and 19,603 is: 28,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722 : 19,603 = 19,603 : x
  2. Step 2: Convert to fraction form
    13,722/19,603 = 19,603/x
  3. Step 3: Cross multiply
    13,722x = 19,603 × 19,603
  4. Step 4: Simplify right side
    13,722x = 384,277,609
  5. Step 5: Solve for x
    x = 384,277,609/13,722
  6. Step 6: Final answer
    x = 28,004.49

Related Problems

Find third proportional to 6,861 and 9,801.50
Half scale
Find third proportional to 27,444 and 39,206
Double scale
Find third proportional to 13,724 and 19,606
Similar ratio
Find third proportional to 20,583 and 29,404.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.