Home / 5,636-8,240

Finding the Third Proportional to 5,636 and 8,240

Calculator

Solution

The third proportional to 5,636 and 8,240 is: 12,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636 : 8,240 = 8,240 : x
  2. Step 2: Convert to fraction form
    5,636/8,240 = 8,240/x
  3. Step 3: Cross multiply
    5,636x = 8,240 × 8,240
  4. Step 4: Simplify right side
    5,636x = 67,897,600
  5. Step 5: Solve for x
    x = 67,897,600/5,636
  6. Step 6: Final answer
    x = 12,047.13

Related Problems

Find third proportional to 2,818 and 4,120
Half scale
Find third proportional to 11,272 and 16,480
Double scale
Find third proportional to 5,638 and 8,243
Similar ratio
Find third proportional to 8,454 and 12,360
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.