Home / 9,576-11,520

Finding the Third Proportional to 9,576 and 11,520

Calculator

Solution

The third proportional to 9,576 and 11,520 is: 13,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576 : 11,520 = 11,520 : x
  2. Step 2: Convert to fraction form
    9,576/11,520 = 11,520/x
  3. Step 3: Cross multiply
    9,576x = 11,520 × 11,520
  4. Step 4: Simplify right side
    9,576x = 132,710,400
  5. Step 5: Solve for x
    x = 132,710,400/9,576
  6. Step 6: Final answer
    x = 13,858.65

Related Problems

Find third proportional to 4,788 and 5,760
Half scale
Find third proportional to 19,152 and 23,040
Double scale
Find third proportional to 9,578 and 11,522
Similar ratio
Find third proportional to 14,364 and 17,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.