Home / 7,434-11,520

Finding the Third Proportional to 7,434 and 11,520

Calculator

Solution

The third proportional to 7,434 and 11,520 is: 17,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434 : 11,520 = 11,520 : x
  2. Step 2: Convert to fraction form
    7,434/11,520 = 11,520/x
  3. Step 3: Cross multiply
    7,434x = 11,520 × 11,520
  4. Step 4: Simplify right side
    7,434x = 132,710,400
  5. Step 5: Solve for x
    x = 132,710,400/7,434
  6. Step 6: Final answer
    x = 17,851.82

Related Problems

Find third proportional to 3,717 and 5,760
Half scale
Find third proportional to 14,868 and 23,040
Double scale
Find third proportional to 7,436 and 11,523
Similar ratio
Find third proportional to 11,151 and 17,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.