Home / 5,678-9,039

Finding the Third Proportional to 5,678 and 9,039

Calculator

Solution

The third proportional to 5,678 and 9,039 is: 14,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678 : 9,039 = 9,039 : x
  2. Step 2: Convert to fraction form
    5,678/9,039 = 9,039/x
  3. Step 3: Cross multiply
    5,678x = 9,039 × 9,039
  4. Step 4: Simplify right side
    5,678x = 81,703,521
  5. Step 5: Solve for x
    x = 81,703,521/5,678
  6. Step 6: Final answer
    x = 14,389.49

Related Problems

Find third proportional to 2,839 and 4,519.50
Half scale
Find third proportional to 11,356 and 18,078
Double scale
Find third proportional to 5,680 and 9,042
Similar ratio
Find third proportional to 8,517 and 13,558.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.