Home / 8,636-18,650.50

Finding the Third Proportional to 8,636 and 18,650.50

Calculator

Solution

The third proportional to 8,636 and 18,650.50 is: 40,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636 : 18,650.50 = 18,650.50 : x
  2. Step 2: Convert to fraction form
    8,636/18,650.50 = 18,650.50/x
  3. Step 3: Cross multiply
    8,636x = 18,650.50 × 18,650.50
  4. Step 4: Simplify right side
    8,636x = 347,841,150.25
  5. Step 5: Solve for x
    x = 347,841,150.25/8,636
  6. Step 6: Final answer
    x = 40,278.04

Related Problems

Find third proportional to 4,318 and 9,325.25
Half scale
Find third proportional to 17,272 and 37,301
Double scale
Find third proportional to 8,638 and 18,655
Similar ratio
Find third proportional to 12,954 and 27,975.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.