Home / 7,218-15,528

Finding the Third Proportional to 7,218 and 15,528

Calculator

Solution

The third proportional to 7,218 and 15,528 is: 33,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218 : 15,528 = 15,528 : x
  2. Step 2: Convert to fraction form
    7,218/15,528 = 15,528/x
  3. Step 3: Cross multiply
    7,218x = 15,528 × 15,528
  4. Step 4: Simplify right side
    7,218x = 241,118,784
  5. Step 5: Solve for x
    x = 241,118,784/7,218
  6. Step 6: Final answer
    x = 33,405.21

Related Problems

Find third proportional to 3,609 and 7,764
Half scale
Find third proportional to 14,436 and 31,056
Double scale
Find third proportional to 7,220 and 15,532
Similar ratio
Find third proportional to 10,827 and 23,292
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.