Home / 7,389-8,973

Finding the Third Proportional to 7,389 and 8,973

Calculator

Solution

The third proportional to 7,389 and 8,973 is: 10,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389 : 8,973 = 8,973 : x
  2. Step 2: Convert to fraction form
    7,389/8,973 = 8,973/x
  3. Step 3: Cross multiply
    7,389x = 8,973 × 8,973
  4. Step 4: Simplify right side
    7,389x = 80,514,729
  5. Step 5: Solve for x
    x = 80,514,729/7,389
  6. Step 6: Final answer
    x = 10,896.57

Related Problems

Find third proportional to 3,694.50 and 4,486.50
Half scale
Find third proportional to 14,778 and 17,946
Double scale
Find third proportional to 7,391 and 8,975
Similar ratio
Find third proportional to 11,083.50 and 13,459.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.