Home / 18,560-38,656

Finding the Third Proportional to 18,560 and 38,656

Calculator

Solution

The third proportional to 18,560 and 38,656 is: 80,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560 : 38,656 = 38,656 : x
  2. Step 2: Convert to fraction form
    18,560/38,656 = 38,656/x
  3. Step 3: Cross multiply
    18,560x = 38,656 × 38,656
  4. Step 4: Simplify right side
    18,560x = 1,494,286,336
  5. Step 5: Solve for x
    x = 1,494,286,336/18,560
  6. Step 6: Final answer
    x = 80,511.12

Related Problems

Find third proportional to 9,280 and 19,328
Half scale
Find third proportional to 37,120 and 77,312
Double scale
Find third proportional to 18,562 and 38,660
Similar ratio
Find third proportional to 27,840 and 57,984
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.