Home / 10,920-17,948

Finding the Third Proportional to 10,920 and 17,948

Calculator

Solution

The third proportional to 10,920 and 17,948 is: 29,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920 : 17,948 = 17,948 : x
  2. Step 2: Convert to fraction form
    10,920/17,948 = 17,948/x
  3. Step 3: Cross multiply
    10,920x = 17,948 × 17,948
  4. Step 4: Simplify right side
    10,920x = 322,130,704
  5. Step 5: Solve for x
    x = 322,130,704/10,920
  6. Step 6: Final answer
    x = 29,499.15

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.