Home / 7,631-11,810

Finding the Third Proportional to 7,631 and 11,810

Calculator

Solution

The third proportional to 7,631 and 11,810 is: 18,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631 : 11,810 = 11,810 : x
  2. Step 2: Convert to fraction form
    7,631/11,810 = 11,810/x
  3. Step 3: Cross multiply
    7,631x = 11,810 × 11,810
  4. Step 4: Simplify right side
    7,631x = 139,476,100
  5. Step 5: Solve for x
    x = 139,476,100/7,631
  6. Step 6: Final answer
    x = 18,277.57

Related Problems

Find third proportional to 3,815.50 and 5,905
Half scale
Find third proportional to 15,262 and 23,620
Double scale
Find third proportional to 7,633 and 11,813
Similar ratio
Find third proportional to 11,446.50 and 17,715
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.