Home / 7,791-9,015

Finding the Third Proportional to 7,791 and 9,015

Calculator

Solution

The third proportional to 7,791 and 9,015 is: 10,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791 : 9,015 = 9,015 : x
  2. Step 2: Convert to fraction form
    7,791/9,015 = 9,015/x
  3. Step 3: Cross multiply
    7,791x = 9,015 × 9,015
  4. Step 4: Simplify right side
    7,791x = 81,270,225
  5. Step 5: Solve for x
    x = 81,270,225/7,791
  6. Step 6: Final answer
    x = 10,431.30

Related Problems

Find third proportional to 3,895.50 and 4,507.50
Half scale
Find third proportional to 15,582 and 18,030
Double scale
Find third proportional to 7,793 and 9,017
Similar ratio
Find third proportional to 11,686.50 and 13,522.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.