Home / 7,428-9,000

Finding the Third Proportional to 7,428 and 9,000

Calculator

Solution

The third proportional to 7,428 and 9,000 is: 10,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428 : 9,000 = 9,000 : x
  2. Step 2: Convert to fraction form
    7,428/9,000 = 9,000/x
  3. Step 3: Cross multiply
    7,428x = 9,000 × 9,000
  4. Step 4: Simplify right side
    7,428x = 81,000,000
  5. Step 5: Solve for x
    x = 81,000,000/7,428
  6. Step 6: Final answer
    x = 10,904.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.