Home / 8,898-18,636

Finding the Third Proportional to 8,898 and 18,636

Calculator

Solution

The third proportional to 8,898 and 18,636 is: 39,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898 : 18,636 = 18,636 : x
  2. Step 2: Convert to fraction form
    8,898/18,636 = 18,636/x
  3. Step 3: Cross multiply
    8,898x = 18,636 × 18,636
  4. Step 4: Simplify right side
    8,898x = 347,300,496
  5. Step 5: Solve for x
    x = 347,300,496/8,898
  6. Step 6: Final answer
    x = 39,031.30

Related Problems

Find third proportional to 4,449 and 9,318
Half scale
Find third proportional to 17,796 and 37,272
Double scale
Find third proportional to 8,900 and 18,640
Similar ratio
Find third proportional to 13,347 and 27,954
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.