Home / 8,912-18,744

Finding the Third Proportional to 8,912 and 18,744

Calculator

Solution

The third proportional to 8,912 and 18,744 is: 39,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912 : 18,744 = 18,744 : x
  2. Step 2: Convert to fraction form
    8,912/18,744 = 18,744/x
  3. Step 3: Cross multiply
    8,912x = 18,744 × 18,744
  4. Step 4: Simplify right side
    8,912x = 351,337,536
  5. Step 5: Solve for x
    x = 351,337,536/8,912
  6. Step 6: Final answer
    x = 39,422.97

Related Problems

Find third proportional to 4,456 and 9,372
Half scale
Find third proportional to 17,824 and 37,488
Double scale
Find third proportional to 8,914 and 18,748
Similar ratio
Find third proportional to 13,368 and 28,116
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.