Home / 7,581-11,535

Finding the Third Proportional to 7,581 and 11,535

Calculator

Solution

The third proportional to 7,581 and 11,535 is: 17,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581 : 11,535 = 11,535 : x
  2. Step 2: Convert to fraction form
    7,581/11,535 = 11,535/x
  3. Step 3: Cross multiply
    7,581x = 11,535 × 11,535
  4. Step 4: Simplify right side
    7,581x = 133,056,225
  5. Step 5: Solve for x
    x = 133,056,225/7,581
  6. Step 6: Final answer
    x = 17,551.28

Related Problems

Find third proportional to 3,790.50 and 5,767.50
Half scale
Find third proportional to 15,162 and 23,070
Double scale
Find third proportional to 7,583 and 11,538
Similar ratio
Find third proportional to 11,371.50 and 17,302.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.