Home / 7,218-16,704

Finding the Third Proportional to 7,218 and 16,704

Calculator

Solution

The third proportional to 7,218 and 16,704 is: 38,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218 : 16,704 = 16,704 : x
  2. Step 2: Convert to fraction form
    7,218/16,704 = 16,704/x
  3. Step 3: Cross multiply
    7,218x = 16,704 × 16,704
  4. Step 4: Simplify right side
    7,218x = 279,023,616
  5. Step 5: Solve for x
    x = 279,023,616/7,218
  6. Step 6: Final answer
    x = 38,656.64

Related Problems

Find third proportional to 3,609 and 8,352
Half scale
Find third proportional to 14,436 and 33,408
Double scale
Find third proportional to 7,220 and 16,709
Similar ratio
Find third proportional to 10,827 and 25,056
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.