Home / 13,138-15,568

Finding the Third Proportional to 13,138 and 15,568

Calculator

Solution

The third proportional to 13,138 and 15,568 is: 18,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138 : 15,568 = 15,568 : x
  2. Step 2: Convert to fraction form
    13,138/15,568 = 15,568/x
  3. Step 3: Cross multiply
    13,138x = 15,568 × 15,568
  4. Step 4: Simplify right side
    13,138x = 242,362,624
  5. Step 5: Solve for x
    x = 242,362,624/13,138
  6. Step 6: Final answer
    x = 18,447.45

Related Problems

Find third proportional to 6,569 and 7,784
Half scale
Find third proportional to 26,276 and 31,136
Double scale
Find third proportional to 13,140 and 15,570
Similar ratio
Find third proportional to 19,707 and 23,352
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.