Home / 18,654-40,590

Finding the Third Proportional to 18,654 and 40,590

Calculator

Solution

The third proportional to 18,654 and 40,590 is: 88,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654 : 40,590 = 40,590 : x
  2. Step 2: Convert to fraction form
    18,654/40,590 = 40,590/x
  3. Step 3: Cross multiply
    18,654x = 40,590 × 40,590
  4. Step 4: Simplify right side
    18,654x = 1,647,548,100
  5. Step 5: Solve for x
    x = 1,647,548,100/18,654
  6. Step 6: Final answer
    x = 88,321.44

Related Problems

Find third proportional to 9,327 and 20,295
Half scale
Find third proportional to 37,308 and 81,180
Double scale
Find third proportional to 18,656 and 40,594
Similar ratio
Find third proportional to 27,981 and 60,885
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.