Home / 4,243-8,605

Finding the Third Proportional to 4,243 and 8,605

Calculator

Solution

The third proportional to 4,243 and 8,605 is: 17,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243 : 8,605 = 8,605 : x
  2. Step 2: Convert to fraction form
    4,243/8,605 = 8,605/x
  3. Step 3: Cross multiply
    4,243x = 8,605 × 8,605
  4. Step 4: Simplify right side
    4,243x = 74,046,025
  5. Step 5: Solve for x
    x = 74,046,025/4,243
  6. Step 6: Final answer
    x = 17,451.34

Related Problems

Find third proportional to 2,121.50 and 4,302.50
Half scale
Find third proportional to 8,486 and 17,210
Double scale
Find third proportional to 4,245 and 8,609
Similar ratio
Find third proportional to 6,364.50 and 12,907.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.