Home / 7,216-15,509

Finding the Third Proportional to 7,216 and 15,509

Calculator

Solution

The third proportional to 7,216 and 15,509 is: 33,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216 : 15,509 = 15,509 : x
  2. Step 2: Convert to fraction form
    7,216/15,509 = 15,509/x
  3. Step 3: Cross multiply
    7,216x = 15,509 × 15,509
  4. Step 4: Simplify right side
    7,216x = 240,529,081
  5. Step 5: Solve for x
    x = 240,529,081/7,216
  6. Step 6: Final answer
    x = 33,332.74

Related Problems

Find third proportional to 3,608 and 7,754.50
Half scale
Find third proportional to 14,432 and 31,018
Double scale
Find third proportional to 7,218 and 15,513
Similar ratio
Find third proportional to 10,824 and 23,263.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.